ISFDB
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Novels
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Семя Земли?Semya Zemli[Russian] (1996) withРоберт Силверберг?Robert Silverberg
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Человек в лабиринте?Chelovek v labirinte[Russian] (1994) withРоберт Силверберг?Robert Silverberg
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Человек в лабиринте?Chelovek v labirinte[Russian] (1991) with
Čelovek v labirinteРоберт Сильверберг?Robert Sil'verberg -
夜の翼?Yoru no Tsubasa[Japanese] (1971) with
よるのつばさロバート・シルヴァーバーグ?Robāto Shiruvābāgu -
時間線を遡って?じかんせんをさかのぼって[Japanese] (1974) with
Jikansen wo Sakanobotte
Jikansen o Sakanobotteロバート・シルヴァーバーグ?Robāto Shiruvābāgu - A Time of Changes (1971)
- A Torre de Cristal [Portuguese] (1990)
- A Torre de Vidro [Portuguese] (1982)
- Across a Billion Years (1969)
- Aliens from Space (1958)
- Aliens from Space (1958) with David Osborne
- Alla fine dell'inverno [Italian] (1989)
- Am Ende des Winters [German] (1989)
- Asas na Noite [Portuguese] (1970)
- At Winter's End (1988)
- Au temps pour l'espace [French] (1982)
- Auf zu den Hesperiden! [German] (1982)
- Base Hawksbill [Italian] (1980)
- Bicentennial Man [Dutch] (2000) with Isaac Asimov
- Binnenwereld [Dutch] (1980)
- Brivido crudele [Italian] (1972)
- Bruderschaft der Unsterblichen [German] (1980)
- Child of Time (1991) with Isaac Asimov
- Ciel brûlant de minuit [French] (1999)
- Collision Course (1961)
- Complot contre la Terre [French] (1960) with Calvin M. Knox
- Conquerors from the Darkness (1965)
- Das heilige Atom [German] (1971)
- De Burcht van Heer Valentijn [Dutch] (1983)
- De Weg naar het Oneindige [Dutch] (1978)
- Der 13. Unsterbliche [German] (1962)
- Der Gesang der Neuronen [German] (1971)
- Der Mann im Labyrinth [German] (1982)
- Der heiße Himmel um Mitternacht [German] (1997)
- Der neue Frühling [German] (1992)
- Der positronische Mann [German] (1998) with Isaac Asimov
- Der verborgene Planet [German] (1958) with Robert Randall
- Der vergessene Planet [German] (1987) with Randall Garrett
- Die Berge von Majipoor [German] (1996)
- Die Erde lebt [German] (1958) with Calvin M. Knox
- Die Jahre der Aliens [German] (2000)
- Die Kolonisten Terras [German] (1981)
- Die Mysterien von Belzagor [German] (1973)
- Die Stadt unter dem Eis [German] (1968)
- Die Sterne rücken näher [German] (1971)
- Die Wiedererwecker [German] (1975)
- Downward to the Earth (1969)
- Droit de vie et de mort [French] (1984)
- Dubbelleven [Dutch] (1978)
- Dying Inside (1972)
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Dünyalı İstilacılar?Dunyali Istilacilar[Turkish] (1983)
- Ein glücklicher Tag im Jahr 2381 [German] (1976)
- Einbruch der Nacht [German] (1997) with Isaac Asimov
- Es stirbt in mir [German] (1975)
- Espinhos [Portuguese] (1987)
- Exil im Kosmos [German] (1971)
- Flucht aus der Zukunft [German] (1968)
- Främmande rymdskepp har landat [Swedish] (1959) with David Osborne
- Gast aus der Zukunft [German] (1970)
- Gilgamesh (2005)
- Gilgamesh the King (1984)
- Gilgamesh, roi d'Ourouk [French] (1990)
- Gli osservatori [Italian] (1980)
- Griff nach dem Ganymed [German] (1959)
- Hawksbill Station (1968)
- Het Boek der Schedelen [Dutch] (1976)
- Hot Sky at Midnight (1994)
- Il figlio dell'Uomo [Italian] (1995)
- Il paradosso del passato [Italian] (1978)
- Il paradosso del passato [Italian] (1994)
- Il pianeta nascosto [Italian] (1983) with Robert Randall
- Il sogno del tecnarca [Italian] (1983)
- Il tempo della Terra [Italian] (1992)
- Il tempo delle metamorfosi [Italian] (1993)
- Invaders from Earth (1958)
- Invasores Terrestres [Portuguese] (1990)
- Invasori silenziosi [Italian] (1983)
- Invasori terrestri [Italian] (1983)
- Invisible Barriers (1958)
- Invisible Barriers (1958) with David Osborne
- Jusqu'aux portes de la vie [French] (1995)
- Kind der Zeit [German] (1997) with Isaac Asimov
- Kinder der Retorte [German] (1975)
- Kingdoms of the Wall (1992)
- Krieg der Träume [German] (1980)
- König Gilgamesch [German] (1987)
- L'astro dei nomadi [Italian] (1988)
- L'enfant du temps [French] (1992) with Isaac Asimov
- L'homme bicentenaire [French] (2000) with Isaac Asimov
- L'homme dans le labyrinthe [French] (1970)
- L'homme programmé [French] (1977)
- L'homme stochastique [French] (1977)
- L'ora del passaggio [Italian] (1986)
- L'oreille interne [French] (1975)
- L'uomo stocastico [Italian] (1983)
- L'étoile des gitans [French] (1987)
- La Maschere del Tempo [Italian] (1977)
- La città labirinto [Italian] (1983)
- La civiltà degli eccelsi [Italian] (1981)
- La face des eaux [French] (1991)
- La guerre du froid [French] (1974)
- La luce dell'alba [Italian] (1983) with Robert Randall
- La nuova primavera [Italian] (1992)
- La porte des mondes [French] (1977)
- La reine du printemps [French] (1990)
- La semence de la Terre [French] (1977)
- La torre de cristal [Spanish] (1990)
- La tour de verre [French] (1972)
- Labirinto [Portuguese] (1980)
- Le chemin de l'espace [French] (1983)
- Le château de Lord Valentin [French] (1980)
- Le château de Lord Valentin 1 [French] (1985)
- Le château de Lord Valentin 2 [French] (1985)
- Le due facce del tempo [Italian] (1980)
- Le fils de l'homme [French] (1973)
- Le grand silence [French] (1999)
- Le livre des crânes [French] (1975)
- Le long chemin du retour [French] (2003)
- Le maître du hasard [French] (1990)
- Le retour des ténèbres [French] (1991) with Isaac Asimov
- Le roi des rêves [French] (2002)
- Le temps des changements [French] (1974)
- Les ailes de la nuit [French] (1975)
- Les déportés du Cambrien [French] (1978)
- Les déserteurs temporels [French] (1978)
- Les guetteurs des étoiles [French] (1987)
- Les masques du temps [French] (1970)
- Les monades urbaines [French] (1974)
- Les montagnes de Majipoor [French] (1995)
- Les profondeurs de la terre [French] (1973)
- Les royaumes du mur [French] (1998)
- Les sorciers de Majipoor [French] (1998)
- Les temps parallèles [French] (1976)
- Lest We Forget Thee Earth (1958)
- Lest We Forget Thee, Earth (1958) with Calvin M. Knox
- Leszáll az éj [Hungarian] (1992) with Isaac Asimov
- Lord Prestimion (1999)
- Lord Valentine kastélya [Hungarian] (2009)
- Lord Valentine's Castle (1980)
- Lost Race of Mars (1960)
- Macht über Leben und Tod [German] (1972)
- Master of Life and Death (1957)
- Menschensohn [German] (1983)
- Mission auf Morilar [German] (1960) with Calvin M. Knox
- Morire dentro [Italian] (1989)
- Muero por dentro [Spanish] (2001)
- Muero por dentro [Spanish] (1987)
- Mutazione [Italian] (1979)
- Muß Lurion sterben? [German] (1961)
- Nach all den Jahrmilliarden [German] (1982)
- Nachtvleugels [Dutch] (1973)
- Nascidos nas Estrelas [Portuguese] (1997)
- Nidor erwacht [German] (1964) with Robert Randall
- Nightfall (1990) with Isaac Asimov
- Nightwings (1969)
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Noćna Krila?Nocna Krila[Serbian] (1984)
- Noch einmal leben [German] (1981)
- O Castelo de Lorde Valentine, 1º volume [Portuguese] (2003)
- O Castelo de Lorde Valentine, 2º volume [Portuguese] (2003)
- O Correio do Tempo [Portuguese] (1993)
- O Filho do Homem [Portuguese] (1996)
- Obsesion Espacial [Spanish] (1960)
- Ondergang [Dutch] (1990) with Isaac Asimov
- One of Our Asteroids Is Missing (1964)
- One of Our Asteroids is Missing (1964) with Calvin M. Knox
- Opération Ganymède [French] (1983)
- Opération Pendule [French] (1991)
- Os Correios do Tempo [Portuguese] (1972)
- Os Intemporais [Portuguese] (1968)
- Os Vigilantes [Portuguese] (1968)
- Padrone della vita, padrone della morte [Italian] (1992)
- Planet im Morgenlicht [German] (1987) with Randall Garrett
- Positronisch Brein [Dutch] (1992) with Isaac Asimov
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Pozytronowy człowiek?Pozytronowy czlowiek[Polish] (1998) with Isaac Asimov
- Prestimion le Coronal [French] (2000)
- Proefkind [Dutch] (1991) with Isaac Asimov
- Project Pendulum (1987)
- Quellen, guarda il passato! [Italian] (1978)
- Raumstation Omega [German] (1958)
- Recalled to Life (1962)
- Regan's Planet (1964)
- Regans Satellit [German] (1976)
- Regreso a Belzagor [Spanish] (1981)
- Regresso à Vida [Portuguese] (1982)
- Reino da Muralha, 1º volume [Portuguese] (1996)
- Reino da Muralha, 2º volume [Portuguese] (1996)
- Revivre encore [French] (1984)
- Revolt on Alpha C (1955)
- Rijders van de Tijdwind [Dutch] (1977)
- Roma Eterna (2003)
- Roma æterna [French] (2004)
- Rota de Colisão [Portuguese] (2000)
- Résurrections [French] (1974)
- Schadrach im Feuerofen [German] (1979)
- Schatten über den Sternen [German] (1959)
- Schatten über den Sternen [German] (1979)
- Schiedsgericht der Sterne [German] (1962)
- Schwingen der Nacht [German] (1971)
- Shadow on the Stars (2002)
- Shadrach in the Furnace (1976)
- Shadrach nella fornace [Italian] (2010)
- Shadrach nella fornace [Italian] (1995)
- Shadrach nella fornace [Italian] (1980)
- Shadrak dans la fournaise [French] (1981)
- Sie stahlen seine Welt [German] (1965) with Calvin M. Knox
- Son of Man (1971)
- Sorcerers of Majipoor (1997)
- Star of Gypsies (1986)
- Starborne (1996)
- Starhaven (1958)
- Starhaven (1958) with Ivar Jorgenson
- Starman's Quest (1958)
- Stepsons of Terra (1958)
- Sternenfahrer unerwünscht [German] (1960)
- Tempo de Mudança [Portuguese] (1985)
- The 13th Immortal (1957)
- The Alien Years (1998)
- The Anvil of Time (1969)
- The Book of Skulls (1971)
- The Chalice of Death (2012)
- The Dawning Light (1959) with Randall Garrett
- The Dawning Light (1959) with Robert Randall
- The Face of the Waters (1991)
- The Gate of Worlds (1967)
- The King of Dreams (2001)
- The Longest Way Home (2002)
- The Man in the Maze (1969)
- The Masks of Time (1968)
- The Mountains of Majipoor (1995)
- The Mutant Season (1989) with Karen Haber
- The New Springtime (1990)
- The Planet Killers (1959)
- The Plot Against Earth (1959)
- The Plot Against Earth (1959) with Calvin M. Knox
- The Positronic Man (1992) with Isaac Asimov
- The Queen of Springtime (1989)
- The Second Trip (1972)
- The Seed of Earth (1962)
- The Shrouded Planet (1957) with Randall Garrett
- The Shrouded Planet (1957) with Robert Randall
- The Silent Invaders (1963)
- The Stochastic Man (1975)
- The Thirteenth Immortal (2011)
- The Time Hoppers (1967)
- The Time-Hoppers (1970)
- The Ugly Little Boy (1992) with Isaac Asimov
- The World Inside (1971)
- Thorns (1967)
- Those Who Watch (1967)
- Time of the Great Freeze (1964)
- To Live Again (1969)
- To Open the Sky (1967)
- To the Land of the Living (1989)
- Tom O'Bedlam (1985)
- Tom O'Bedlam [French] (1986)
- Tom O'Bedlam oder der arme Tom von Bethlehem [German] (1987)
- Torre di cristallo [Italian] (1973)
- Tout sauf un homme [French] (1993) with Isaac Asimov
- Tower of Glass (1970)
- Twee Sterren [Dutch] (1972)
- Ufos über der Erde [German] (1968)
- Umiranje iznutra [Serbian] (1987)
- Un jeu cruel [French] (1977)
- Un milliard d'années plus tard [French] (1983)
- Up the Line (1969)
- Vacanze nel deserto [Italian] (1991)
- Valentin de Majipoor [French] (1985)
- Valentine Pontifex (1983)
- Verbannte der Ewigkeit [German] (1973)
- Verräter, Gangster und Raketen [German] (1960) with Calvin M. Knox
- Verschwörung gegen die Erde [German] (1960) with Calvin M. Knox
- Verschwörung gegen die Erde [German] (1975) with Calvin M. Knox
- Vertice di immortali [Italian] (1971)
- Violare il cielo [Italian] (1993)
- Violare il cielo [Italian] (1982)
- Vornan-19 (1968)
- World's Fair, 1992 (1970)
- Yö saapuu [Finnish] (1994) with Isaac Asimov
- Zeit der Wandlungen [German] (1980)
- Zeitpatrouille [German] (1971)
- À la fin de l'hiver [French] (1989)
- Öffnet den Himmel [German] (1981)
- Über den Wassern [German] (1995)
- A Little Intelligence (2009) with Randall Garrett
- As Crónicas de Majipoor, 1º volume [Portuguese] (1983)
- As Crónicas de Majipoor, 2º volume [Portuguese] (1983)
- Beyond the Beyond (2012)
- Beyond the Doors of Death (2013) with Damien Broderick
- Beyond the Safe Zone (1986)
- Born with the Dead (1974)
- Buone notizie dal Vaticano [Italian] (1979)
- Capricorn Games (1976)
- Chroniques de Majipoor [French] (1983)
- Compagnons secrets [French] (1989)
- Der Held des Universums [German] (1963)
- Der Held des Universums [German] (1975)
- Der Unsterbliche und andere Stories [German] (1969)
- Der neutrale Planet [German] (1977)
- Dernières nouvelles de Majipoor [French] (2014)
- Dertien Dwaalwegen [Dutch] (1977)
- Die Majipoor-Chroniken [German] (1985)
- Die Schatten dunkler Flügel [German] (1975)
- Die einsame Erde [German] (1968)
- Dimension 12 [German] (1972)
- Dimension Thirteen (1969)
- Duell unter fremder Sonne und andere Stories [German] (1966)
- Early Days: More Tales from the Pulp Era (2016)
- Earth's Other Shadow (1973)
- Eva en de Drieëntwintig Adams [Dutch] (1971)
- First-Person Singularities (2017)
- Godling, Go Home! (1964)
- Hawksbill Times Two (2002)
- Hot Times in Magma City: 1990-95 (2013)
- Hot Times in Magma City: The Collected Stories Volume 8 (2013)
- Hunt the Space-Witch! (2011)
- In Another Country and Other Short Novels (2002)
- In the Beginning: Tales from the Pulp Era (2006)
- Jenseits der Zeit [German] (1981)
- Jetzt Plus Minus [German] (1977)
- L'appel des ténèbres [French] (1991)
- La fête de St Dionysos [French] (1980)
- Le chemin de la nuit [French] (2002)
- Le livre d'or de la Science-Fiction: Robert Silverberg [French] (1979)
- Le nez de Cléopâtre [French] (1994)
- Les chants de l'été [French] (1982)
- Les jeux du capricorne [French] (2002)
- Les vestiges de l'automne [French] (2010)
- Les éléphants d'Hannibal [French] (1996)
- Lion Time in Timbuctoo (2000)
- Lo mejor de Silverberg [Spanish] (1977)
- Majipoor Chronicles (1982)
- Menschen für den Mars [German] (1966)
- Moonferns and Starsongs (1971)
- Multiples: 1983-87 (2011)
- Nacht über der Menschheit [German] (1976)
- Needle in a Timestack (1966)
- Needle in a Timestack (revised) (1979)
- Next Stop the Stars (1962)
- Occhi dal futuro [Italian] (1988)
- Os Jogos do Capricórnio [Portuguese] (1981)
- Parsecs and Parables (1970)
- Pavane au fil du temps [French] (1989)
- Phases of the Moon: Stories of Six Decades (2004)
- Pluto in the Morning Light (1992)
- Ringing the Changes (1997)
- Robert Silverberg Reads "To See the Invisible Man" and "Passengers" (1979)
- Sailing to Byzantium (2000)
- Sailing to Byzantium: Six Novellas (2013)
- Secret Sharers (1992)
- Signaux du silence [French] (1979)
- Something Wild Is Loose: 1969-72 (2008)
- Sundance and Other Science Fiction Stories (1974)
- Sunrise on Mercury (1983)
- Sunrise on Mercury and Other Science Fiction Stories (1975)
- Tales of Majipoor (2013)
- The Best of Robert Silverberg (1976)
- The Best of Robert Silverberg, Volume Two (1978)
- The Best of Robert Silverberg: Stories of Six Decades (2012)
- The Calibrated Alligator and Other Science Fiction Stories (1969)
- The Conglomeroid Cocktail Party (1984)
- The Cube Root of Uncertainty (1970)
- The Feast of St. Dionysus (1975)
- The Happy Unfortunate and The Hunted Heroes (2013)
- The Millennium Express: 1995-2009 (2014)
- The Palace at Midnight: 1980-82 (2010)
- The Reality Trip and Other Implausibilities (1972)
- The Road to Nightfall (1996)
- The Robert Silverberg Science Fiction Megapack (2016)
- The Secret Sharer (1993)
- The Shores of Tomorrow (1976)
- The Songs of Summer (1979)
- Three Survived / Planet of Death (2010)
- Thèbes aux cent portes [French] (1992)
- Time and Time Again (2018)
- To Be Continued (2006)
- To Worlds Beyond (1965)
- To the Dark Star: 1962-69 (2007)
- Trips [French] (1980)
- Trips: 1972-73 (2009)
- Ufer von morgen [German] (1979)
- Unfamiliar Territory (1973)
- Valley Beyond Time (1973)
- Visum für den Sirius [German] (1975)
- Voir l'invisible [French] (1988)
- We Are for the Dark: 1987-90 (2012)
- World of a Thousand Colors (1982)
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Башня Занида?Bashnya Zanida[Russian] (1996) [O] with L. Sprague de Camp and Stefan Wul
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Башня Занида?Bashnya Zanida[Russian] (1996) [O] withЛ. Спрег де Камп?L. Spreg de KampandРоберт Силверберг?Robert SilverbergandСтефан Вул?Stefan Vul
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Сокровище таинственной расы / Человек в лабиринте / Планета обезьян?Sokrovishche tainstvennoy rasy / Chelovek v labirinte / Planeta obez'yan[Russian] (1991) [O] with Pierre Boulle and Andre Norton
Sokroviŝe tainstvennoj rasy / Čelovek v labirinte / Planeta obezʹjan
Sokrovishhe tainstvennoj rasy / Chelovek v labirinte / Planeta obez'jan -
Сокровище таинственной расы / Человек в лабиринте / Планета обезьян?Sokrovishche tainstvennoy rasy / Chelovek v labirinte / Planeta obez'yan[Russian] (1991) [O] with
Sokroviŝe tainstvennoj rasy / Čelovek v labirinte / Planeta obezʹjan
Sokrovishhe tainstvennoj rasy / Chelovek v labirinte / Planeta obez'janПьер Буль?P'yer Bul'and
Pierre BoulleАндрэ Нортон?Andre NortonandРоберт Сильверберг?Robert Sil'verberg - A Robert Silverberg Omnibus (UK 1970) (1970) [O/3N]
- A Robert Silverberg Omnibus (US 1981) (1981) [O/3N]
- Across Time / Invaders from Earth (1958) [O] with Donald A. Wollheim
- Across Time / Invaders from Earth (1958) [O/2N] with David Grinnell
- Base Hawksbill / Shadrach nella fornace [Italian] (1980) [O]
- Collision Course / The Nemesis from Terra (1961) [O/2N] with Leigh Brackett
- Conquerors from the Darkness / Master of Life and Death (1979) [O]
- Cronos (2001) [O]
- Die Stahlhöhlen / Als die Vergangenheit verlorenging [German] (1989) [O] with Isaac Asimov
- Edge of Light (1998) [O]
- Hüter meines Bruders / Die Kolonisten Terras [German] (1994) [O] with Charles Sheffield
- Invaders from Earth and To Worlds Beyond (1980) [O]
- Jungle in the Sky / Recalled to Life (2011) [O] with Milton Lesser
- L'homme dans le labyrinthe / Les masques du temps [French] (1970) [O]
- La porte des mondes : l'intégrale [French] (2015) [O] with John Brunner and Chelsea Quinn Yarbro
- Le fils de l'homme / Les profondeurs de la terre [French] (1973) [O]
- Lest We Forget Thee, Earth / People Minus X (1958) [O] with Raymond Z. Gallun
- Lest We Forget Thee, Earth / People Minus X (1958) [O/1N,1C] with Raymond Z. Gallun and Calvin M. Knox
- Master of Life and Death / The Secret Visitors (1957) [O/2N] with James White
- Millemondiestate 1983: Tre romanzi completi di Robert Silverberg [Italian] (1983) [O]
- Nightwings / A Time of Changes / Lord Valentine's Castle (2013) [O]
- Other Dimensions (2003) [O]
- Planet der Dämmerung [German] (1987) [O/1,2] with Randall Garrett
- Regan's Planet / Someone to Watch Over Me (2016) [O] with Floyd C. Gale and H. L. Gold
- Regan's Planet / Someone to Watch Over Me (2016) [O] with Floyd C. Gold and H. L. Gold
- Robert Silverberg: The Ace Years, Part One (2017) [O/3N+2ss]
- Robert Silverberg: The Ace Years, Part Two (2017) [O/3N]
- Science Fiction Special 30 (1978) [O/1N,1C]
- Starhaven / The Sun Smasher (1959) [O] with Edmond Hamilton
- Starhaven / The Sun Smasher (1959) [O/2N] with Edmond Hamilton and Ivar Jorgenson
- Stepsons of Terra / A Man Called Destiny (1958) [O/2N] with Lan Wright
- The 13th Immortal / This Fortress World (1957) [O/2N] with James E. Gunn
- The Book of Skulls / Nightwings / Dying Inside (1991) [O]
- The Chalice of Death: Three Novels of Mystery in Space (2011) [O]
- The Masks of Time / Born with the Dead / Dying Inside (1988) [O]
- The New Springtime: The Complete Series (2017) [O/1-2]
- The Planet Killers (2011) [O]
- The Plot Against Earth / Recruit for Andromeda (1959) [O] with Milton Lesser
- The Plot Against Earth / Recruit for Andromeda (1959) [O/2N] with Calvin M. Knox and Milton Lesser
- The Seed of Earth / Next Stop the Stars (1962) [O/2N]
- The Silent Invaders (1985) [O/1N, 1NA]
- The Silent Invaders / Battle on Venus (1963) [O/2N] with William F. Temple
- The Twisted Men / One of Our Asteroids is Missing (1964) [O/1N,1C] with A. E. van Vogt
- The Twisted Men / One of Our Asteroids is Missing (1964) [O/1N,1C] with Calvin M. Knox and A. E. van Vogt
- Those Who Watch / Thorns (unknown) [O]
- Three Novels: The World Inside / Thorns / Downward to the Earth (1988) [O/3N]
- Time opéra [French] (2004) [O]
- Times Three (2011) [O]
- To Live Again / The Second Trip (2013) [O]
- Unheimliche Begegnung der dritten Art / Die Sterne rücken näher [German] (1990) [O] with Steven Spielberg
- Valentine of Majipoor (1999) [O/2N,C]
- We Claim These Stars! / The Planet Killers (1959) [O] with Poul Anderson
- A Time of Changes (Part 1 of 3) (1971)
- A Time of Changes (Part 2 of 3) (1971)
- A Time of Changes (Part 3 of 3) (1971)
- Anonima resurrezioni (Complete Novel) [Italian] (1965)
- Cosmic Kill (Part 1 of 2) (1957) with Robert Arnette
- Cosmic Kill (Part 2 of 2) (1957) with Robert Arnette
- Downward to the Earth (Part 1 of 4) (1969)
- Downward to the Earth (Part 2 of 4) (1969)
- Downward to the Earth (Part 3 of 4) (1970)
- Downward to the Earth (Part 4 of 4) (1970)
- Dying Inside (Part 1 of 2) (1972)
- Dying Inside (Part 2 of 2) (1972)
- En attendant le tremblement de terre (part 2 of 2) [French] (1980)
- Gli anni alieni (prima parte) (Part 1 of 2) [Italian] (1999)
- Gli anni alieni (seconda parte) (Part 2 of 2) [Italian] (1999)
- Il pianeta dei fuorilegge (Complete Novel) [Italian] (1959) with Ivar Jorgenson
- Il pianeta di Regan (Complete Novel) [Italian] (1965)
- Il sogno del tecnarca (Complete Novel) [Italian] (1961)
- Invasori silenziosi (Complete Novel) [Italian] (1975)
- L'arca Delle Stelle (Complete Novel) [Italian] (1997)
- L'oeil sur le futur (Part 1 of 3) [French] (1975)
- L'oeil sur le futur (Part 2 of 3) [French] (1975)
- L'oeil sur le futur (Part 3 of 3) [French] (1976)
- L'uomo Stocastico (Complete Novel) [Italian] (1976)
- La città labirinto (Complete Novel) [Italian] (1968)
- La grande luce (Complete Novel) [Italian] (1959) with Robert Randall
- Le due facce del tempo (Complete Novel) [Italian] (1962)
- Lord Valentine's Castle (Part 1 of 4) (1979)
- Lord Valentine's Castle (Part 2 of 4) (1979)
- Lord Valentine's Castle (Part 3 of 4) (1980)
- Lord Valentine's Castle (Part 4 of 4) (1980)
- Monade Urbaine 116 (Part 1 of 2) [French] (1972)
- Monade Urbaine 116 (Part 2 of 2) [French] (1972)
- Padrone della vita, padrone della morte (Complete Novel) [Italian] (1970)
- Pianeta senza scampo (Complete Novel) [Italian] (2004)
- Quellen, guarda il passato (Complete Novel) [Italian] (1968)
- Recalled to Life (Part 1 of 2) (1958)
- Recalled to Life (Part 2 of 2) (1958)
- Shadow on the Stars (Complete Novel) (1958)
- Shadrach in the Furnace (Part 1 of 3) (1976)
- Shadrach in the Furnace (Part 2 of 3) (1976)
- Shadrach in the Furnace (Part 3 of 3) (1976)
- Stranieri dallo spazio (Complete Novel) [Italian] (1961) with David Osborne
- The Dawning Light (Part 1 of 3) (1957) with Robert Randall
- The Dawning Light (Part 2 of 3) (1957) with Robert Randall
- The Dawning Light (Part 3 of 3) (1957) with Robert Randall
- The Longest Way Home (Part 1 of 3) (2001)
- The Longest Way Home (Part 2 of 3) (2001)
- The Longest Way Home (Part 3 of 3) (2002)
- The Man in the Maze (Part 1 of 2) (1968)
- The Man in the Maze (Part 2 of 2) (1968)
- The Second Trip (Part 1 of 2) (1971)
- The Second Trip (Part 2 of 2) (1971)
- The Stochastic Man (Part 1 of 3) (1975)
- The Stochastic Man (Part 2 of 3) (1975)
- The Stochastic Man (Part 3 of 3) (1975)
- The Tower of Glass (Part 1 of 3) (1970)
- The Tower of Glass (Part 2 of 3) (1970)
- The Tower of Glass (Part 3 of 3) (1970)
- Up the Line (Part 1 of 2) (1969)
- Up the Line (Part 2 of 2) (1969)
-
Urzeczenie obrzydliwością (Part 1 of 2)?Urzeczenie obrzydliwoscia (Part 1 of 2)[Polish] (1997)
-
Urzeczenie obrzydliwością (Part 2 of 2)?Urzeczenie obrzydliwoscia (Part 2 of 2)[Polish] (1997)
- Spaceship #22, July 1953 (1953)
- Spaceship #22, July 1953 (1953) with Bob Silverberg
- A Century of Fantasy 1980-1989 (1996)
- A Century of Science Fiction 1950-1959 (1997)
- Alpha 4 (1973)
- Alpha 5 (1974)
- Alpha 6 (1976)
- Alpha 7 (1977)
- Alpha 8 (1977)
- Alpha 9 (1978)
- Alpha One (1970)
- Alpha Three (1972)
- Alpha Two (1971)
- Avventure nell'ignoto [Italian] (2000)
- Between Worlds (2004)
- Beyond Control (1972)
- Beyond the Gate of Worlds (1991) with John Brunner and Chelsea Quinn Yarbro
- Born with the Dead / The Saliva Tree (1988) with Brian W. Aldiss
- Car Sinister (1979) with Martin H. Greenberg and Joseph D. Olander
- Car Sinister (1979) with Martin Harry Greenberg and Joseph D. Olander
- Chains of the Sea (1973)
- Cosmic Kill / Beyond the End of Space (2014) with John W. Campbell, Jr.
- Cosmic Kill / Beyond the End of Space (2014) with John W. Campbell
- Dangerous Interfaces (1990)
- Dark Stars (1969)
- Das Meer und kleine Fische [German] (2000)
- Das neue Atlantis [German] (1980)
- Dawn of Time (1979) with Martin H. Greenberg and Joseph D. Olander
- Dawn of Time (1979) with Martin Harry Greenberg and Joseph Olander
- Deep Space (1973)
- Der siebte Schrein [German] (1999)
- Des hommes et des machines [French] (1973)
- Destination 3001 [French] (2000) with Jacques Chambon
-
Destinazione: 31º secolo?Destinazione: trentunesimo secolo[Italian] (2004) with Jacques Chambon
- Die Mörder Mohammeds [German] (1970)
- Earth Is the Strangest Planet (1977)
- Earthmen and Strangers (1966)
- Epoch (1975) with Roger Elwood
- Explorers of Space (1975)
- Fantasy: The Best of 2001 (2002) with Karen Haber
- Fantasy: The Best of 2002 (2003) with Karen Haber
- Far Horizons: All New Tales from the Greatest Worlds of Science Fiction (1999)
- Far Horizons: Greatest Worlds of Science Fiction (2000)
- Four Futures (1971)
- Galactic Dreamers (1977)
- Galerij der Giganten 1 [Dutch] (1976)
- Galerij der Giganten 2 [Dutch] (1977)
- Galerij der Giganten 3 [Dutch] (1977)
- Galerij der Giganten 4 [Dutch] (1978) with Ben Bova
- Glissement vers le bleu [French] (2015) with Alvaro Zinos-Amaro
- Great Fantasy (2004) with Martin H. Greenberg
- Great Science Fiction of the 20th Century (1987) with Martin H. Greenberg
- Great Short Novels of Science Fiction (1970)
- Great Tales of Science Fiction (1985) with Martin H. Greenberg
- Het Verre Centaurus [Dutch] (1980)
- Horizontes lejanos [Spanish] (2000)
- In Another Country / Vintage Season (1990) with C. L. Moore
- Infinite Jests (1974)
- Invaders from Space (1972)
- Jokers uit het Heelal [Dutch] (1977)
- Legenden [Dutch] (1999)
- Legenden [German] (2005)
- Legenden (2.Teil) [German] (2006)
- Legends (1998)
- Legends (reprint with part 1 of 2) (1999)
- Legends (reprint with part 2 of 2) (2000)
- Legends II (2003)
- Legends II: Dragon, Sword, and King (2004)
- Legends II: New Short Novels by the Masters of Modern Fantasy (2004)
- Legends II: New Short Novels by the Masters of Modern Fantasy: Volume One (2003)
- Legends II: New Short Novels by the Masters of Modern Fantasy: Volume Three (2004)
- Legends II: New Short Novels by the Masters of Modern Fantasy: Volume Two (2004)
- Legends II: Shadows, Gods, and Demons (2004)
- Legends: Eleven New Works by the Masters of Modern Fantasy: v. 1 (2008)
- Legends: Volume 1 (1999)
- Legends: Volume 2 (1999)
- Legends: Volume 3 (2000)
- Lost Worlds, Unknown Horizons (1978)
- Légendes de la fantasy Volume 1 [French] (2005)
- Légendes de la fantasy: Volume II [French] (2006)
- Men and Machines (1968)
- Menschen und Maschinen [German] (1970)
- Menschen und andere Ungeheuer [German] (1974)
- Mind to Mind (1971)
- Murasaki (1992) with Martin H. Greenberg
- Murasaki (1993)
- Mutants (1974)
- Mythen: Elf nieuwe werken van de meesters der moderne fantasy [Dutch] (2004)
- Neanderthals (1987) with Martin H. Greenberg and Charles G. Waugh
- Nebula Awards Showcase 2001 (2001)
- New Dimensions 1 (1971)
- New Dimensions 11 (1980) with Marta Randall
- New Dimensions 12 (1981) with Marta Randall
- New Dimensions 2 (1974)
- New Dimensions 3 (1973)
- New Dimensions II (1972)
- New Dimensions III (1974)
- New Dimensions IV (1974)
- New Dimensions Science Fiction Number 10 (1980)
- New Dimensions Science Fiction Number 5 (1975)
- New Dimensions Science Fiction Number 6 (1976)
- New Dimensions Science Fiction Number 7 (1977)
- New Dimensions Science Fiction Number 9 (1979)
- New Dimensions: Science Fiction Number 5 (1976)
- New Dimensions: Science Fiction: Number 5 (1975)
- New Dimensions: Science Fiction: Number 8 (1978)
- No Mind of Man (1973)
- Nuove avventure nell'ignoto [Italian] (2001)
- Other Dimensions (1973)
- Par-delà la porte des mondes [French] (2015) with John Brunner and Chelsea Quinn Yarbro
-
Press Enter ▮ / Hawksbill Station?Press Enter [] / Hawksbill Station(1990) with John Varley
- Robert Silverberg Presents the Great SF Stories: 1964 (2001) with Martin H. Greenberg
- Robert Silverberg's Worlds of Wonder (1987)
- Rumbo a Bizancio / Bailando en el aire [Spanish] (2004) with Nancy Kress
- Sailing to Byzantium / Seven American Nights (1989) with Gene Wolfe
- Science Fiction Hall of Fame 1: Die besten Storys 1934-1948 [German] (2016)
- Science Fiction Hall of Fame 2: Die besten Storys 1948-1963 [German] (2018)
- Science Fiction Hall of Fame, Vol One (1972)
- Science Fiction Hall of Fame, Vol Two (1972)
- Science Fiction Hall of Fame: The Greatest Science Fiction Stories of All Time (1975)
- Science Fiction: 101 (2001)
- Science Fiction: The Best of 2001 (2002) with Karen Haber
- Science Fiction: The Best of 2002 (2003) with Karen Haber
- Strange Gifts (1975)
- Tales From Super-Science Fiction (2011)
- The Aliens (1976)
- The Androids Are Coming (1979)
- The Arbor House Treasury of Great Science Fiction Short Novels (1980) with Martin H. Greenberg
- The Arbor House Treasury of Modern Science Fiction (1980) with Martin H. Greenberg
- The Arbor House Treasury of Science Fiction Masterpieces (1983) with Martin H. Greenberg
- The Best of New Dimensions (1979)
- The Crystal Ship (1976)
- The Edge of Space (1979)
- The Ends of Time (1970)
- The Fantasy Hall of Fame (1983) with Martin H. Greenberg
- The Fantasy Hall of Fame (1998)
- The Horror Hall of Fame (1991) with Martin H. Greenberg
- The Infinite Web (1977)
- The Last Castle / Nightwings (1989) with Jack Vance
- The Mammoth Book of Fantasy All-Time Greats (1988) with Martin H. Greenberg
- The Mirror of Infinity: A Critics' Anthology of Science Fiction (1970)
- The Nebula Awards #18 (1983)
- The New Atlantis and Other Novellas of Science Fiction (1975)
- The Science Fiction Bestiary (1971)
- The Science Fiction Hall of Fame, Volume I (unknown)
- The Science Fiction Hall of Fame, Volume One (1970)
- The Science Fictional Dinosaur (1982) with Martin H. Greenberg and Charles G. Waugh
- The Time Travelers: A Science Fiction Quartet (1985) with Martin H. Greenberg
- The Ultimate Dinosaur (1992) with Byron Preiss
- This Way to the End Times: Classic Tales of the Apocalypse (2016)
- Threads of Time (1974)
- Three Trips in Time and Space (1973)
- Three for Tomorrow (1969)
- Three for Tomorrow (1969) with uncredited
- Three for Tomorrow (1972) with Arthur C. Clarke
- Time Gate (1989) with Bill Fawcett
- Titan 15 [German] (1981) with Wolfgang Jeschke
- Titan 6 [German] (1977) with Wolfgang Jeschke
- Titan 7 [German] (1978) with Wolfgang Jeschke
- Titan 9 [German] (1978) with Wolfgang Jeschke
- To the Stars (1971)
- Tomorrow's Worlds (1969)
- Tre viaggi nello spazio-tempo [Italian] (1993)
- Triax (1977)
- Trips in Time (1977)
- Trois futurs incertains [French] (1972) with uncredited
- Universe 1 (1990) with Karen Haber
- Universe 2 (1992) with Karen Haber
- Universe 3 (1994) with Karen Haber
- Verre horizons [Dutch] (unknown)
- Viajantes no Tempo [Portuguese] (1967)
- Voyagers in Time (1967)
- When the Blue Shift Comes (2012) with Alvaro Zinos-Amaro
- Windows into Tomorrow (1974)
- Worlds Imagined (1989) with Martin H. Greenberg
- Worlds of Maybe (1970)
- Birds of a Feather (2016)
- Briefe aus Atlantis [German] (1992)
- Homefaring (1983)
- Le dernier chant d'Orphée [French] (2012)
- Letters from Atlantis (1990)
- Lettres de l'Atlantide [French] (1992)
- Lion Time in Timbuctoo (1990)
- Planet of Death (1967)
- Planeta da Morte [Portuguese] (1968)
- Postmark Ganymede (2008)
- Sailing to Byzantium (1985)
- Tebas das Mil Portas [Portuguese] (1993)
- The Desert of Stolen Dreams (1981)
- The Emperor and the Maula (2017)
- The Happy Unfortunate (2008)
- The Hunted Heroes (2008)
- The Judas Valley (2008) with Randall Garrett
- The Judas Valley (2008) with Gerald Vance
- The Last Song of Orpheus (2010)
- The Secret Sharer (1988)
- Thebes of the Hundred Gates (1992)
- Three Survived (1969)
- We, the Marauders (2015)
- When We Went to See the End of the World (2012)
- Drug Themes in Science Fiction (1975)
- First American into Space (1961)
- Musings and Meditations (2011)
- Other Spaces, Other Times (2014)
- Other Spaces, Other Times: A Life Spent in the Future (2009)
- Reflections & Refractions (2012)
- Reflections and Refractions (2013)
- Reflections and Refractions: Thoughts on Science-Fiction, Science, and Other Matters (1997)
- Science Fiction: 101: Exploring the Craft of Science Fiction (2014)
- The Realm of Prester John (1972)
- Traveler of Worlds: Conversations with Robert Silverberg (2016) with Alvaro Zinos-Amaro
-
Добрые вести из Ватикана?Dobryye vesti iz Vatikana[Russian] (1989) withРоберт Силверберг?Robert Silverberg
-
Как мы ездили смотреть конец света?Kak my yezdili smotret' konets sveta[Russian] (2003) withРоберт Силверберг?Robert Silverberg
-
Одиночное заключение?Odinochnoe zaklyucheniye[Russian] (1988) withРоберт Сильверберг?Robert Sil'verberg
-
Одного поля ягоды?Odnogo polya yagody[Russian] (1990) withРоберт Силверберг?Robert Silverberg
-
Тихий вкрадчивый голос?Tikhiy vkradchivyy golos[Russian] (1967) withРоберт Сильверберг?Robert Sil'verberg
-
マグワンプ4?Maguwanpu 4[Japanese] (1974) withロバート・シルヴァーバーグ?Robāto Shiruvābāgu
-
太陽踊り?たいようおどり[Japanese] (2001) with
Taiyō Odori
Taiyou Odoriロバート・シルヴァーバーグ?Robāto Shiruvābāgu -
Łowcy w lesie?Lowcy w lesie[Polish] (1995)
- (Epilogue) (Chroniques de Majipoor) [French] (1983)
- (Moi + n, moi - n) [French] (1978)
- (Now + n), (Now - n) (1972)
- (Now + n, Now - n) (1972)
- (Nu + n), (Nu - n) [Dutch] (1977)
- - denn wir leben morgen [German] (1984)
- 3117 Half-Credit Uncirculated (1958)
- 3117 Half-Credit Uncirculated (1958) with Alexander Blade
- A Cry for Help (1959)
- A Cry for Help (1959) with Eric Rodman
- A Happy Day in 2381 (1970)
- A Hero of the Empire (1999)
- A Killing Light (1999) with Karen Haber
- A Little Intelligence (1958) with Randall Garrett
- A Little Intelligence (1958) with Robert Randall
- A Little Intelligence (1982) with Randall Garrett
- A Long Night's Vigil at the Temple (1992)
- A Madman on Board (1958)
- A Man of Talent (1966)
- A Pelpel, tout est bon pour passer le temps [French] (1982)
- A Piece of the Great World (2005)
- A Planet All My Own (1958)
- A Planet All My Own (1958) with Richard F. Watson
- A Sea of Faces (1974)
- A Season for Remorse (1957)
- A Sleep and a Forgetting (1989)
- A Thief in Ni-moya (1981)
- A Thousand Paces Along the Via Dolorosa (1981)
- A Time for Revenge (1957)
- A Time for Revenge (1957) with Calvin M. Knox
- A Tip on a Turtle (1991)
- A Woman's Right (1956)
- A World Called Sunrise (1958)
- A World Called Sunrise (1958) with Eric Rodman
- A World of His Own (1956)
- A l'étoile noire [French] (1969)
- A la croisée des chemins [French] (1982)
- Absolument inflexible [French] (1978)
- Absolut unbeugsam [German] (1970)
- Absolut unerbittlich [German] (1975)
- Absolutamente Inflexível [Portuguese] (1956)
- Absolutely Inflexible (1956)
- Acht: Unter den Traumsprecherinnen [German] (1985)
- After the Myths Went Home (1969)
- Against Babylon (1986)
- Against the Current (2007)
- Age of Anxiety (1957)
- Aikavuon haaksirikkoiset [Finnish] (1988)
- Al party dei conglomeroidi [Italian] (1988)
- Alaree (1958)
- Alaree [French] (2002)
- Alas nocturnas [Spanish] (1977)
- Ali nella notte [Italian] (1995)
- All the King's Horses (1958) with Randall Garrett
- All the King's Horses (1958) with Robert Randall
- All the Way Up, All the Way Down (1971)
- Als die Vergangenheit verlorenging [German] (1985)
- Als wir aufbrachen, um das Ende der Welt zu sehen [German] (1982)
- Als wir das Ende der Welt sahen [German] (1977)
- Always (1956)
- Am Seewall [German] (1972)
- Am toten Punkt [German] (1979)
- Amanda and the Alien (1983)
- Amanda et l'extraterrestre [French] (1989)
- Amanecer en Mercurio [Spanish] (1963)
- Among the Dream Speakers (1982)
- Among the Dream-Speakers (1982)
- An Enemy of Peace (1957)
- An Enemy of Peace (1957) with Ralph Burke
- An Outpost of the Empire (1991)
- And the Walls Came Tumbling Down (1957)
- Anpassung [German] (1974)
- Antiquitäten [German] (1971)
- Anything His Heart Desires (1957)
- Appropriation (1959)
- As Is (1968)
- Aspettando il terremoto [Italian] (1988)
- Assistenza culturale [Italian] (1966)
- At Winter's End (1988)
- At the Conglomeroid Cocktail Party (1982)
- At the End of Days (1965)
- Auréolé de gloire [French] (2002)
- Back from the Grave (1958)
- Back from the Grave (1958) with David Challon
- Basileo [Italian] (2001)
- Basileus (1983)
- Basileus [German] (2001)
- Basileus [French] (1994)
- Batman in Nighttown (1989) with Karen Haber
- Battle for the Thousand Suns (1956) with Randall Garrett
- Battle for the Thousand Suns (1956) with David Gordon and Calvin Knox
- Beasts of Nightmare Horror (1959)
- Beasts of Nightmare Horror (1959) with Richard F. Watson
- Beauty in the Night (1997)
- Bellezza nella notte [Italian] (1999)
- Bienenstock Erde [German] (1966)
- Birds of a Feather (1958)
- Black Is Beautiful (1970)
- Blaze of Glory (1957)
- Bleekman's Planet (1957) with Randall Garrett
- Bleekman's Planet (1957) with Ivar Jorgensen
- Blindsight (1986)
- Blue Fire (1965)
- Bohater Imperium [Polish] (2000)
- Bon pour le service des organes [French] (1978)
- Bonnes nouvelles du Vatican [French] (1983)
- Born with the Dead (1974)
- Braut Einundneunzig [German] (1971)
- Breckenridge and the Continuum (1973)
- Breckenridge e o contínuo [Portuguese] (1981)
- Breckenridge en het Continuüm [Dutch] (1977)
- Breckenridge et le continuum [French] (1980)
- Bride 91 (1967)
- Bride Ninety-One (1967)
- Briefe aus Atlantis [German] (1992)
- Bruid 91 [Dutch] (1971)
- Buenas noticias del Vaticano [Spanish] (1977)
- Buitenpost Hawksbill [Dutch] (1977)
- Buone notizie dal Vaticano [Italian] (1973)
- By the Seawall (1967)
- Caliban (1972)
- Caliban [Dutch] (1977)
- Caliban [French] (1973)
- Caliban [Croatian] (1979)
- Calintane Explains (1982)
- Calintane explique [French] (1983)
- Call Me Titan (1997)
- Call Me Zombie! (1957)
- Calling Captain Flint (1956) with Randall Garrett
- Calling Captain Flint (1956) with Richard Greer
- Cancelliere di ferro [Italian] (1962)
- Capricorn Games (1974)
- Carnets d'Henry James: Récit de l'invasion martienne [French] (1996)
- Carrefour des mondes [French] (2002)
- Castaways of Space (1958)
- Castaways of Space (1958) with Dan Malcolm
- Catch 'em All Alive! (1956)
- Catch a Thief (1956) with Randall Garrett
- Catch a Thief (1956) with Gordon Aghill
- Caught in the Organ Draft (1972)
- Ce qu'il y avait dans le journal de ce matin [French] (1980)
- Certainty (1959)
- Cetaceo innamorato [Italian] (1979)
- Chalice of Death (1957) with Calvin M. Knox
- Chalice of Death (1983)
- Chasseurs en forêt [French] (1992)
- Chez les interprètes des rêves [French] (1983)
- Chip Runner (1989)
- Chip runner [French] (1999)
- Chiprunner (1989)
- Chiprunner [Italian] (1991)
- Choke Chain (1956)
- Christmas in Gondwanaland (2014)
- Ciclo rovente [Italian] (2018)
- Ciel brûlant [French] (1992)
- Circo galattico [Italian] (1962) with Hall Thornton
- Citadel of Darkness (1957)
- Citadel of Darkness (1957) with Ralph Burke
- Collecting Team (1956)
- Collision Course (1959)
- Come Into My Brain! (1958)
- Come Into My Brain! (1958) with Alexander Blade
- Come ce la cavammo quando il passato se ne andò [Italian] (1984)
- Come si passa il tempo a Pelpel [Italian] (1988)
- Comme des mouches [French] (1971)
- Comme un frère [French] (1982)
- Company Store (1959)
- Comunione segreta [Italian] (1988)
- Conocer al dragón [Spanish] (2000)
- Constabulary Duty (1958)
- Constabulary Duty (1958) with Calvin M. Knox
- Contre Babylone [French] (1989)
- Cosmic Kill (1957)
- Counterpart (1959)
- Creati per le tenebre [Italian] (1993)
- Crime and Punishment (1982)
- Crime et châtiment [French] (1983)
- Critical Threshold (1957)
- Crossing Into the Empire (1996)
- Dancer's in the Time-Flux (2002)
- Dancers in the Time-Flux (1983)
- Dans les crocs de l'entropie [French] (1975)
- Dans les crocs de l'entropie [French] (1989)
- Danza al sol [Spanish] (1977)
- Dark Companion (1961)
- Dark Times at the Midnight Market (2010)
- Das Buch der Veränderungen [German] (2005)
- Das Ende des Weges [German] (1972)
- Das Fest des heiligen Dionysos [German] (1984)
- Das Götter-Spiel [German] (1974)
- Das Menetekel [German] (1977)
- Das Sempoanga-Problem [German] (1982)
- Das Ultimatum [German] (1966)
- Das Ultimatum [German] (1977)
- Das Urteil der Fremden [German] (1966)
- Das hunderttorige Theben [German] (1994)
- Das äussere Ende der glockenförmigen Kurve [German] (1983)
- Day the Founder Died (1975)
- De Duistere Begeleider [Dutch] (1971)
- De Juiste Beslissing [Dutch] (1966) with Randall Garrett
- De Man die Terugkwam [Dutch] (1978) with R. Silverberg
- De Pijnpooiers [Dutch] (1977)
- De Weerwolfsmoes [Dutch] (1994)
- De Wind en de Regen [Dutch] (1977)
- De burcht van heer Valentijn [Dutch] (1983)
- De la manière de tisser de sorts à Sippulgar [French] (2014)
- De man die door de ruimte dreef [Dutch] (1981)
- De um lado para o outro [Portuguese] (1981)
- Deadlock (1959) with Barbara Silverberg
- Deadly Decoy (1957) with Randall Garrett
- Deadly Decoy (1957) with Clyde Mitchell
- Death Do Us Part (1996)
- Death's Planet (1957)
- Decision Final (1958) with Randall Garrett
- Decision Final (1958) with Robert Randall
- Defenders of the Frontier (2010)
- Delivery Guaranteed (1959)
- Delivery Guaranteed (1959) with Calvin M. Knox
- Demons of Cthulhu (1959)
- Demons of Cthulhu (1959) with Charles D. Hammer
- Der Anblick des unsichtbaren Menschen [German] (1993)
- Der Empath [German] (1963)
- Der Empath [German] (1975)
- Der Fluch der ewigen Jugend [German] (1968)
- Der Flug zur Erde [German] (1972)
- Der Gütige [German] (1972)
- Der Hammer von Aldryne [German] (1981)
- Der Held des Universums [German] (1963)
- Der Held des Universums [German] (1975)
- Der König vom Goldenen Fluß [German] (1972)
- Der Mann mit Talent [German] (1968)
- Der Mann mit dem Computergehirn [German] (1976)
- Der Mann, der in der Zeit schwebte [German] (1984)
- Der Mann, der in der Zeit trieb [German] (1986)
- Der Palast um Mitternacht [German] (1983)
- Der Papst der Schimpansen [German] (1985)
- Der Racheschwur [German] (1981)
- Der Realitätstrip [German] (1973)
- Der Schmerzverkäufer [German] (1975)
- Der Stellvertreter [German] (1982)
- Der Tag, an dem der Gründer starb [German] (1979)
- Der Tod auf dem Bildschirm [German] (1965)
- Der Todeswunsch [German] (1976)
- Der Unsterbliche [German] (1969)
- Der Wirklichkeitstrip [German] (1979)
- Der Zoo [German] (1974)
- Der alte Mann [German] (1966)
- Der aufgezwungene Urlaub [German] (1968)
- Der beste Mann der Erde [German] (1966)
- Der dunkle Begleiter [German] (1972)
- Der dunkle Stern [German] (1975)
- Der eiserne Kanzler [German] (1975)
- Der neue Stromkreis [German] (1970)
- Der neutrale Planet [German] (1977)
- Der neutrale Planet [German] (1968)
- Der sechste Palast [German] (1975)
- Der siebte Schrein [German] (2000)
- Der verliebte Ismael [German] (1975)
- Des mondes en cascades [French] (1977)
- Des mondes en cascades [French] (1979)
- Des mondes à profusion [French] (2002)
- Destination fin du monde [French] (1975)
- Deus Ex Machina (1956) with Randall Garrett
- Deus Ex Machina (1956) with Robert Randall
- Diana of the Hundred Breasts (1996)
- Die 91. Braut [German] (1972)
- Die Baumpest [German] (1976)
- Die Entscheidung [German] (1975) with Randall Garrett
- Die Erbschaft des Todes [German] (1966)
- Die Frau seiner Träume [German] (1958)
- Die Gesänge des Sommers [German] (1963)
- Die Herausforderung [German] (1966)
- Die Isolationisten [German] (1979)
- Die Mittelstation [German] (1972)
- Die Mutanten [German] (1977)
- Die Nadel im Zeithaufen [German] (1985)
- Die Obszönität des Computers [German] (1975)
- Die Passagiere [German] (1975)
- Die Psi-Rebellen [German] (1972)
- Die Reise zum Ende der Welt [German] (1974)
- Die Saat der Erde [German] (1965)
- Die Schatten dunkler Flügel [German] (1975)
- Die Sternriesen [German] (1963)
- Die Sternriesen [German] (1975)
- Die Unsichtbaren [German] (1975)
- Die Wahl [German] (1985)
- Die Welt der Adaptierten [German] (1966)
- Die Welt, aus der er kam [German] (1968)
- Die Wüste der gestohlenen Träume [German] (1983)
- Die einsame Erde [German] (1968)
- Die letzte Herausforderung [German] (1979)
- Die schweigende Kolonie [German] (1958)
- Die stumme Kolonie [German] (1979)
- Die unerwünschte Gottheit [German] (1968)
- Die unwillige Eva [German] (1972)
- Dit Is de Weg [Dutch] (1977)
- Doba mutanata [Croatian] (1979)
- Dobre vijesti iz Vatikana [Croatian] (1988)
-
Dobre wieści z Watykanu?Dobre wiesci z Watykanu[Polish] (1993)
- Donna di bordo [Italian] (1967)
- Doorbreken [Dutch] (1977)
- Dormire ... Forse Dimenticare [Italian] (1991)
- Double Dare (1956)
- Double défi [French] (1982)
- Dove Portano Tutte Le Strade [Italian] (1969)
- Dream Girl (1956)
- Drei: Im fünften Jahr der Reise [German] (1985)
- Duell unter fremder Sonne [German] (1966)
- Earth Shall Live Again! (1957)
- Earth Shall Live Again! (1957) with Calvin M. Knox
- Earthman's Burden (1959)
- Echanges touristiques [French] (1996)
- Een Blije Dag in 2381 [Dutch] (1977)
- Een Lange Nachtwake Bij de Tempel [Dutch] (1992)
- Eenzaamheid [Dutch] (1971)
- Eerste Gebod [Dutch] (1971)
- Ein Blick in die Zukunft [German] (1977)
- Ein Präzedenzfall [German] (1977)
- Ein Schlaf und ein Vergessen [German] (1990)
- Ein glücklicher Tag im Jahre 2381 [German] (1973)
- Ein natürlicher Heilungsprozeß [German] (1977)
- Eine Entscheidung auf Knall und Fall [German] (1979)
- Eine Goldgrube für Zoologen [German] (1977)
- Einer mehr in der Herde [German] (1977)
- Eins: Thesme und der Ghayrog [German] (1985)
- Einzelhaft [German] (1972)
- El sexto palacio [Spanish] (1977)
- Elf [German] (1985)
- En Route to Earth (1957)
- En Route to Earth (1957) with Calvin M. Knox
- En attendant le cataclysme [French] (1989)
- En bonne compagnie [French] (2002)
- En grupo [Spanish] (2006)
- En un autre pays [French] (1991)
- Enter a Soldier. Later: Enter Another (1989)
- Entra un soldado. Después entra otro [Spanish] (2000)
- Entra un soldato. Più tardi: ne entra un altro [Italian] (1995)
- Entrance Exam (1956)
- Entre un soldat puis un autre [French] (1994)
- Epilogue (Majipoor Chronicles) (1982)
- Erster Auftritt: Soldat. Darauf: ein anderer [German] (1991)
- Eva en de Drieentwintig Adams [Dutch] (1971)
- Evasione tra i mostri [Italian] (1967)
- Eve and the 23 Adams (1965)
- Eve and the Twenty-Three Adams (1958)
- Eve et les vingt-trois Adams [French] (1965)
- Exiled From Earth (1958)
- Exiled From Earth (1958) with Richard F. Watson
- Experimente [German] (1970)
- Eye of the Beholder (1959)
- Falsch berechnet [German] (1975)
- False Prophet (1956) with Randall Garrett
- False Prophet (1956) with Robert Randall
- Fangs of the Trees (1997)
- Father Image (1957)
- Finchè Morte ci Separi [Italian] (2014)
- Flamboyante gloire [French] (1957)
- Fleischfressende Bäume [German] (1977)
- Flies (1967)
- Force of Mortality (1957)
- Forgotten World (1957)
- Fortschritt [German] (1969)
- Freak Show (1957)
- Freak Show (1957) with Hall Thornton
- Frontier Planet (1958)
- Frontier Planet (1958) with Calvin M. Knox
- Fueling Stop (1958)
- Fueling Stop (1958) with Calvin M. Knox
- Fünf: Die Wüste der gestohlenen Träume [German] (1985)
- Fürs Dunkel bestimmt [German] (1990)
- Gaat Erin Als Koek [Dutch] (1977)
- Galactic Thrill Kids (1957)
- Gambler's Planet (1956) with Randall Garrett
- Gambler's Planet (1956) with Gordon Aghill
- Gate of Horn, Gate of Ivory (1984)
- Gateway to Terror (1958)
- Geburtshelfer [German] (1976)
- Gefangene der Ewigkeit [German] (1968)
- Gente della stessa risma [Italian] (1962)
- Getting Across (1973)
- Getting to Know the Dragon (1999)
- Gianni (1982)
- Gianni [Italian] (1988)
- Gianni [German] (1986)
- Gianni [French] (1989)
- Gianni [Polish] (1995)
- Gilgamesh im Outback [German] (1988)
- Gilgamesh in Uruk (1988)
- Gilgamesh in the Outback (1986)
- Giù nel Paleozoico [Italian] (1969)
- Gleich und gleich [German] (1975)
- Gli omoidi di Lanargon [Italian] (1962) with Ralph Burke
- Glissement vers le bleu [French] (2015)
- Godling, Go Home! (1957)
- Goede Tijding uit het Vaticaan [Dutch] (1975)
- Going (1971)
- Going Down Smooth (1968)
- Good News from the Vatican (1971)
- Gorgon Planet (1954)
- Gorgon Planet (1954) with Bob Silverberg
- Groupe [French] (1976)
- Guardian Devil (1959)
- Guardian of the Crystal Gate (1956)
- Guranju je kraj [Croatian] (1979)
- Gute Nachrichten aus dem Vatikan [German] (1981)
- Hacia el anochecer [Spanish] (1977)
- Hail to the Chief (1984)
- Halfway House (1966)
- Hannibal's Elephants (1988)
- Hanosz Prime Goes to Old Earth (2006)
- Hardware (1987)
- Hardware [French] (1996)
- Harwood's Vortex (1957)
- Hawksbill Station (1967)
- Hawksbill Station [Dutch] (1967)
- Heap Big Medicine (1959)
- Heir Reluctant (1958)
- Heiße Zeiten in Magma City [German] (2000)
- Hero from Yesterday (1957) with Randall Garrett
- Hero from Yesterday (1957) with Robert Randall
- Het Boek der Veranderingen [Dutch] (2004)
- Het Einde van de Reis [Dutch] (1971)
- Het Zesde Paleis [Dutch] (1980)
- Het Zevende Heiligdom [Dutch] (1999)
- Het logboek van de draak [Dutch] (unknown)
- Heures sombres au marché de minuit [French] (2014)
- Hi Diddle Diddle (1959)
- Hi Diddle Diddle! (1959)
- Hi Diddle Diddle! (1959) with Calvin M. Knox
- Hidden Talent (1957)
- His Brother's Weeper (1959)
- His Head in the Clouds (1957)
- His Head in the Clouds (1957) with Calvin M. Knox
- Hole in the Air (1956)
- Hombre cálido [Spanish] (1977)
- Homecoming Horde (1958)
- Homefaring (1983)
- Hopper (1956)
- Hot Sky (1990)
- Hot Times in Magma City (1995)
- Hot sky [Italian] (1993)
- House Divided (1958)
- House Operator (1957) with Randall Garrett
- House Operator (1957) with S. M. Tenneshaw
- House of Bones (1988)
- Housemaid No. 103 (1957)
- Housemaid No. 103 (1957) with Ivar Jorgensen
- How It Was When the Past Went Away (1969)
- How They Pass the Time in Pelpel (1981)
- Hunt the Space-Witch! (1958)
- Hunt the Space-Witch! (1958) with Ivar Jorgenson
- Hunters in the Forest (1991)
- I compratori di dolore [Italian] (1964)
- I mercanti di dolore [Italian] (1995)
- Idylle [French] (1989)
- Igla u vremenskom plastu [Croatian] (1986)
- Il Burocrate [Italian] (1996)
- Il Giorno Che Il Fondatore Mori' [Italian] (1979)
- Il burocrate, o la città programmata [Italian] (1974)
- Il circuito Macauley [Italian] (2017)
- Il fallo del monaco Mondschein [Italian] (1966)
- Il guaio di Sempoanga [Italian] (1988)
- Il guardiano della muraglia [Italian] (1979)
- Il marchio dell'invisibile [Italian] (1964)
- Il nettare d'annata di Erzuine Thale [Italian] (2011)
- Il palazzo a mezzanotte [Italian] (1988)
- Il papa degli scimpanzè [Italian] (1988)
- Il racconto del venditore di indulgenze [Italian] (1998)
- Il sesto palazzo [Italian] (1965)
- Il tempo ritrovato [Italian] (1988)
- Il trucco del lupo mannaro [Italian] (1994)
- Il vicino [Italian] (1964)
- Il était une vieille femme [French] (1979)
- Im fünften Jahr der Reise [German] (1983)
- In Another Country (1989)
- In Entropy's Jaws (1971)
- In Gratitude (1959)
- In de Muil van Entropie [Dutch] (1977)
- In der Gruppe [German] (1977)
- In het Huis der Tweevoudige Geesten [Dutch] (1977)
- In rotta per Bisanzio [Italian] (1992)
- In the Beginning (1970)
- In the Clone Zone (1991)
- In the Fifth Year of the Voyage (1981)
- In the Group (1973)
- In the House of Double Minds (1974)
- Interludes (Dangerous Interfaces) (1990)
- Invasion Vanguard (1958)
- Invasion Vanguard (1958) with T. D. Bethlen
- Ishmael Verliefd [Dutch] (1973)
- Ishmael in Love (1970)
- Issus d'une même couvée [French] (1979)
- It Comes and Goes (1992)
- Je vous 1000110 [French] (1969)
- Je vous 1001110 [French] (2002)
- Jennifer's Lover (1982)
- Jennifers Geliebter [German] (1986)
- Jenseits der Zeit [German] (1981)
- Jetzt Plus Minus [German] (1977)
- Jeux de capricorne [French] (2002)
- Jorslem [French] (1969)
- Jour de bonheur en 2381 [French] (1973)
- Journey's End (1958)
- Jouvence [French] (1991)
- Jusqu'à que la mort nous sépare [French] (1999)
- Kad su mitovi otišli [Croatian] (1983)
- King of the Golden World (1967)
- Kingdoms of the Wall (excerpt) (1992)
- Kolonist Wingert in der Klemme [German] (1977)
- L'Ismaele Innamorato [Italian] (1972)
- L'affaire des antiquités [French] (2002)
- L'amant de Jennifer [French] (1989)
- L'amante di Jennifer [Italian] (1988)
- L'apogée de la courbe en cloche [French] (1989)
- L'apprenti en sorcellerie [French] (2014)
- L'elezione [Italian] (1986)
- L'empereur de minuit [French] (1982)
- L'empereur et la maula [French] (2009)
- L'espresso del millennio [Italian] (2004)
- L'homme qui flottait dans le temps [French] (1982)
- L'homme qui n'oubliait jamais [French] (1959)
- L'homme qui était revenu... [French] (1976)
- L'inferno com'è? [Italian] (1975)
- L'ombra delle ali [Italian] (1964)
- L'uomo che volava nel tempo [Italian] (1988)
- L'Été du Grand Retour : Le Nouveau Printemps, vol. III [French] (2010)
- L'épouse 91 [French] (1982)
- L'épouse 91 [French] (2002)
- L'éternité et après [French] (1982)
- L'étoile de fer [French] (1992)
- L'étoile noire [French] (1983)
- L'étreinte des ailes [French] (1968)
- La chanson du zombie [French] (1980) with Harlan Ellison
- La cinquième année de la traversée [French] (1983)
- La colonie silencieuse [French] (2002)
- La compagne secrète [French] (1989)
- La danse au soleil [French] (1969)
- La danza del sole [Italian] (1977)
- La digue [French] (1982)
- La digue des suicidés [French] (1967)
- La estación Hawksbill [Spanish] (1977)
- La fête de Saint Dionysos [French] (2002)
- La fête de St Dionysos [French] (1980)
- La maison des doubles esprits [French] (1980)
- La maison en os [French] (1989)
- La maison à mi-chemin [French] (1967)
- La mariée No 91 [French] (1968)
- La nature de l'enfer [French] (1965)
- La notte di fuoco [Italian] (1969)
- La nuit du feu [French] (1982)
- La nuit du feu [French] (1969)
- La prison temporelle [French] (1969)
- La route de Spectre City [French] (1996)
- La route morte [French] (1980)
- La résurrection de Lazarus [French] (1967)
- La saison des mutants [French] (2002)
- La salvezza viene dalla Terra [Italian] (1963) with Randall Garrett
- La sangsue [French] (1958)
- La septième sanctuaire [French] (2014)
- La souffrance paie [French] (1964)
- La sposa n. 91 [Italian] (1968)
- La substitution [French] (1989)
- La tombe du Pontife Dvorn [French] (2014)
- Labirint [Croatian] (1981)
- Lair of the Dragonbird (1956)
- Landy [German] (1979)
- Langer Nacht Totenwache im Tempel [German] (1999)
- Lazarus Come Forth! (1966)
- Le Dybbuk de Mazel Tov IV [French] (1979)
- Le Panthéon de la science-fiction [French] (2002)
- Le bout du chemin [French] (2014)
- Le chancelier de fer [French] (1958)
- Le chemin de la nuit [French] (1983)
- Le circuit Macaulay [French] (1973)
- Le circuit Macauley [French] (1973)
- Le cocktail congloméroïde [French] (1986)
- Le collectif [French] (2002)
- Le coup du téléphone [French] (1968)
- Le cru véritable d'Erzuine Thale [French] (2013)
- Le dernier chant d'Orphée [French] (2012)
- Le dernier poète [French] (1982)
- Le dessiccateur [French] (1959)
- Le dibbouk de Mazel Tov IV [French] (2002)
- Le double défi [French] (1957)
- Le dragon sur l'étagère [French] (2001) with Harlan Ellison
- Le désert des rêves volés [French] (1983)
- Le feu bleu [French] (1966)
- Le grand incendie [French] (1983)
- Le hic [French] (1992)
- Le jour où le passé a disparu [French] (2002)
- Le jour où le passé fut aboli [French] (1972)
- Le livre des changements [French] (2014)
- Le monde aux mille couleurs [French] (2002)
- Le pape des chimpanzés [French] (1983)
- Le peintre d'âme et la changeforme [French] (1983)
- Le regard du mort [French] (1992)
- Le retour du Messie [French] (1959)
- Le robot gardien [French] (1965)
- Le rémissionnaire [French] (1989)
- Le sixième palais [French] (1974)
- Le sommeil et l'oubli [French] (1994)
- Le temple de gloire de la science-fiction [French] (1989)
- Le traité de Düsseldorf [French] (1994)
- Le vent et la pluie [French] (1979)
- Le voisin [French] (1985)
- Leisure Class (1959)
- Les amours d'Ismaël [French] (1970)
- Les arbres qui avaient des dents [French] (2002)
- Les ataviques [French] (1972)
- Les chants de l'été [French] (1982)
- Les chants de l'été [French] (1959)
- Les chants de l'été [French] (2002)
- Les collecteurs [French] (2002)
- Les colporteurs de souffrance [French] (1984)
- Les déviateurs [French] (2002)
- Les fusionneurs [French] (1977)
- Les guerriers de lumière [French] (1966)
- Les habitués [French] (1989)
- Les jeux du Capricorne [French] (1980)
- Les mouches [French] (1975)
- Les vents de Siros [French] (1963)
- Les vestiges de l'automne [French] (2010)
- Les voisins [French] (1965)
- Les élus de Vénus [French] (1967)
- Les éléphants d'Hannibal [French] (1996)
- Letters from Atlantis (1990)
- Lettres de l'Atlantide [French] (1992)
- Lever de soleil sur Mercure [French] (2002)
- Liberté, liberté chérie ! [French] (1962)
- Lion Time in Timbuctoo (1990)
- Lo scambio [Italian] (1988)
- Long Live the Kejwa (1956)
- Longue nuit de veille au temple [French] (1996)
- Look Homeward, Spaceman (1956)
- Look Homeward, Spaceman (1956) with Calvin Knox
- Looking for the Fountain (1992)
- Lord of Darkness (excerpt) (1984)
- Loro Nascondono, Noi Cerchiamo [Italian] (1992)
- Los habituales [Spanish] (1989)
- Los merodeadores [Spanish] (1968)
- Lunga notte di veglia al tempio [Italian] (1993)
- Lämpöinen mies [Finnish] (1993)
- Légendes de la forêt Veniane [French] (1994)
- Majipoor Chronicles (excerpt) (1983)
- Malnutrition (1959)
- Man of Many Bodies (1956)
- Man of Many Bodies (1956) with Ralph Burke
- Manuscrit trouvé dans une machine temporelle abandonnée [French] (2002)
- Manuscrito encontrado numa máquina do tempo abandonada [Portuguese] (1981)
- Many Mansions (1973)
- Martel en tête [French] (1996)
- Master of Life and Death (excerpt) (1986)
- Meerfahrt nach Byzanz [German] (1986)
- Meerfahrt nach Byzanz [German] (1986)
- Menace from Vega (1958) with Randall Garrett
- Menace from Vega (1958) with Robert Randall
- Menschen für den Mars [German] (1966)
- Metamorphosen [German] (1977)
- Mieux vaut mourir... [French] (1961)
- Mille passi lungo la Via Dolorosa [Italian] (1988)
- Millennium Express [Italian] (2004)
- Millennium Express [French] (2000)
- Mind for Business (1956)
- Misfit (1957)
- Mit den Toten geboren [German] (1982)
-
Miután a hősök hazatértek?Miutan a hosok hazatertek[Hungarian] (2017)
- Momenti caldi a Magma City [Italian] (1997)
- Monade urbaine 158 [French] (1979)
- Monday Immortal (1957)
- Monday Immortal (1957) with Ralph Burke
- Mondo dimenticato [Italian] (1962)
- Monsters That Once Were Men (1959)
- Monsters That Once Were Men (1959) with Eric Rodman
- Moon of Death (1958)
- Moon of Death (1958) with E. K. Jarvis
- Mordgelüste [German] (1977)
- Moscas [Spanish] (1977)
- Mournful Monster (1959)
- Mournful Monster (1959) with Dan Malcolm
- Ms. Found in an Abandoned Time Machine (1973)
- Mugwump 4 (1959)
- Mugwump Four (1959)
- Mugwump quattro [Italian] (1961)
- Multiples (1983)
- Multiples [French] (1989)
- Mutant Season (excerpt) (1989) with Karen Haber
- Mutter ist die Beste! [German] (1975)
- Muve [Serbian] (1986)
-
Na scenę wkracza żołnierz. A po nim wkracza drugi?Na scene wkracza zolnierz. A po nim wkracza drugi[Polish] (1992)
- Naar de Donkere Ster [Dutch] (1977)
- Nachbarn [German] (1965)
- Nacht über der Menschheit [German] (1976)
- Nadat de Mythen naar Huis Gingen [Dutch] (1976)
- Nave-Irmã, Estrela-Irmã [Portuguese] (1981)
- Needle in a Timestack (1983)
- Nef ma soeur, étoile ma soeur [French] (1979)
- Neighbor (1964)
- Nel bar [Italian] (1988)
- Nero è Bello [Italian] (1999)
- Neun: Eine Diebin in Ni-moya [German] (1985)
- Neutral Planet (1957)
- Never Trust a Thief! (1958)
- Never Trust a Thief! (1958) with Ivar Jorgensen
- New Men for Mars (1957)
- New Men for Mars (1957) with Calvin M. Knox
- New Year's Eve - 2000 A. D. (1957) with Ivar Jorgensen
- New Year's Eve—2000 A. D. (1957)
- Nightfall (excerpt) (1990) with Isaac Asimov
- Nightwings (1968)
- No Future in This (1956) with Randall Garrett
- No Future in This (1956) with Robert Randall
- No Trap for the Keth (1956) with Randall Garrett
- No Trap for the Keth (1956) with Ralph Burke
- No Way Out (1958)
- Noir égale beau [French] (1973)
- Non sono fratelli [Italian] (1988)
- Nosotros los merodeadores [Spanish] (1966)
- Nostra Signora dei Sauropodi [Italian] (1988)
- Not Our Brother (1982)
- Notes sur l'ère prédynastique [French] (1979)
- Notre-Dame des sauropodes [French] (1981)
- Nous savons qui nous sommes [French] (1982)
- Nous savons qui nous sommes [French] (2002)
- Nous savons qui nous sommes ! [French] (1973)
- Nous sommes organisés [French] (1972)
- Now Plus N, Now Minus N (2017)
- Now+n Now-n (1972)
- Nur ein kleiner Versetzungsfehler [German] (1966)
- Nähdä näkymätön ihminen [Finnish] (1996)
- Né avec les morts [French] (1975)
- O Dybbuk de Mazel Tov IV [Portuguese] (1981)
- O Regresso do Túmulo [Portuguese] (1975)
- O templo da ficção científica [Portuguese] (1981)
- O' Captain, My Captain (1956)
- O' Captain, My Captain (1956) with Ivar Jorgensen
- Oltre il termine [Italian] (1988)
- On the Inside (1997)
- One-Way Journey (1957)
- Op Weg naar het Einde [Dutch] (1971)
- Open the Sky (1966)
- Opgewekt Bij de Doden [Dutch] (1976)
- Opération Méduse [French] (2002)
- Orgaanplichtig [Dutch] (1977)
- Os jogos de capricórnio [Portuguese] (1981)
- Our Lady of the Sauropods (1980)
- Outcast of the Stars (1957)
- Outcast of the Stars (1957) with Bob Silverberg
- Outline of "The Summer of Homecoming": The New Springtime, Volume III (2005)
- Outpost Peril (1957)
- Overlord of Colony Eight (1957)
- Ozymandias (1958)
- Ozymandias (1958) with Ivar Jorgenson
- Ozymandias [French] (2002)
- Ozymandias [Spanish] (1981)
- Ozymandias [Croatian] (1983)
- Pametna odluka [Croatian] (1976) with Randall Garrett
- Para ver el hombre invisible [Spanish] (1977)
- Partir [French] (1980)
- Pas notre frère [French] (1989)
- Pasajeros [Spanish] (1977)
- Passagers [French] (1973)
- Passagers [French] (1996)
- Passagiere [German] (1972)
- Passagiere [German] (1981)
- Passagiers [Dutch] (1977)
- Passengers (1968)
- Passport to Sirius (1958)
- Pavane au fil du temps [French] (1989)
- Perris [French] (1969)
- Perris Way (1968)
-
Pieśń, którą wyśpiewał zombie?Piesn, ktora wyspiewal zombie[Polish] (1995) with Harlan Ellison
- Pijn voor Kijkers [Dutch] (1967)
- Pirates of the Void (1957) with Randall Garrett
- Pirates of the Void (1957) with Ivar Jorgensen
- Planet of Death (1967)
- Planet of Parasites (1958)
- Planet of Parasites (1958) with Calvin M. Knox
- Planet of the Angry Giants (1959)
- Planet of the Angry Giants (1959) with Dirk Clinton
- Planeta da Morte [Portuguese] (1968)
- Ples suncu [Croatian] (1982)
- Plovidba u Bizant [Croatian] (1987)
- Pluto Story (2000)
- Point of Focus (1958)
-
Postaw na żółwia?Postaw na zolwia[Polish] (1993)
- Postmark Ganymede (1957)
- Pourquoi ? [French] (2002)
- Pousser ou grandir [French] (1977)
- Precedent (1957)
- Prestige Kwestie [Dutch] (1967)
- Priča Slobodara [Serbian] (1988)
- Prijenosnici bola [Croatian] (1985)
- Prime Commandment (1958)
- Prime Commandment (1958) with Calvin M. Knox
- Prison Planet (1958)
- Prolog (Die Majipoor-Chroniken) [German] (1985)
- Prologue (Chroniques de Majipoor) [French] (1983)
- Prologue (Majipoor Chronicles) (1982)
- Prologue (Tales of Majipoor) (2013)
- Psicorobot [Italian] (1969)
- Puppets Without Strings (2016)
- Push No More (1972)
- Put u zbilju [Croatian] (1982)
- Putnici [Croatian] (1988)
- Quand les arbres ont des dents [French] (1970)
- Quand les mythes eurent disparu [French] (1970)
- Quand les mythes sont repartis [French] (1985)
- Quand nous sommes allés voir la fin du monde [French] (1985)
- Quand on est allé voir la fin du monde [French] (2002)
- Quando Il Passato Se Ne Ando' [Italian] (1970)
- Quando andammo a vedere la fine del mondo [Italian] (1973)
- Quick Freeze (1957)
- Racconti dalle foreste di Venia [Italian] (1995)
- Ratnik i filozof [Croatian] (1989)
- Re-Conditioned Human (1959)
- Reality Unlimited (1957)
- Regrutacija organa [Croatian] (1980)
- Reise ans Ende der Welt [German] (1980)
- Rescue Mission (1957)
- Retour [French] (1984)
- Revolt of the Synthetics (1956)
- Revolt of the Synthetics (1956) with Ralph Burke
- Rien ne sert de courir [French] (1992)
- Ringing the Changes (1970)
-
Rođen sa mrtvima?Roden sa mrtvima[Serbian] (1984)
- Road to Nightfall (1958)
- Roma Eterna (excerpt) (2003)
- Roum [French] (1969)
- Rumbo a Bizancio [Spanish] (2004)
- Run of Luck (1956)
- Run of Luck (1956) with Calvin Knox
- Run of the Mill (1957)
- Sailing to Byzantium (1985)
-
Sakupljačka ekipa?Sakupljacka ekipa[Croatian] (1981)
Sakupljachka ekipa - Sanfte Kannibalen [German] (1977)
- Sauve qui peut ! [French] (1982)
- Schicksalsgefährten [German] (1970)
- Schmerzhafte Wiedergeburt [German] (1977)
- Schnelle Tiefkühlung [German] (1979)
- Schocktherapie [German] (1977)
- Schuldgefühl [German] (1976)
- Schwartz Between the Galaxies (1974)
- Schwartz a galaxisok között [Hungarian] (2009)
- Schwartz et les galaxies [French] (1980)
- Schwartz et les galaxies [French] (1979)
- Sechs: Der Seelen-Maler und der Gestaltveränderer [German] (1985)
- Second Start (1959)
- Secret of the Green Invaders (1956) with Randall Garrett
- Secret of the Green Invaders (1956) with Robert Randall
- Seme della Terra [Italian] (1963)
- Sen i zapomnienie [Polish] (1994)
- Sezona mutanata [Serbian] (1984)
- Ship-Shape Pay-Off (1957) with Harlan Ellison
- Ship-Sister, Star-Sister (1973)
- Sieben: Schuld und Sühne [German] (1985)
- Sippulgar dei sortilegi [Italian] (2013)
- Six Frightened Men (1957)
- Six Frightened Men (1957) with Randall Garrett
- Slaughter on Dornell IV (1957) with Randall Garrett
- Slaughter on Dornell IV (1957) with Ivar Jorgensen
- Slaves of the Star Giants (1957)
- Slaves of the Tree (1958)
- Slaves of the Tree (1958) with Eric Rodman
- Slice of Life (1958)
- Slice of Life (1958) with Calvin M. Knox
- Smithers and the Ghosts of the Thar (2011)
- Smithers et les fantômes du Thar [French] (2015)
- Snake and Ocean, Ocean and Snake (1984)
- Solitary (1957)
- Soltanto Alberi [Italian] (1969)
- Some Notes on the Pre-Dynastic Epoch (1973)
- Something Wild Is Loose (1971)
- Sonnentanz [German] (1970)
- Sonnentanz [German] (1975)
- Sound Decision (1956) with Randall Garrett
- Sourdough (1956)
- Spacerogue (1958)
- Spacerogue (1958) with Webber Martin
- Spawn of the Deadly Sea (1957)
- Spelletjes van de Steenbok [Dutch] (1986)
- Spécimens de galaxies [French] (1959)
- Stammgäste [German] (1983)
- Stanica Hoksbil [Serbian] (1987)
- Starborne (excerpt) (1996)
- Starship Saboteur (1957)
- Starship Saboteur (1957) with Bob Silverberg
- Stay Out of My Grave (1956)
- Stay Out of My Grave (1956) with Ralph Burke
- Steinbock-Spiele [German] (1987)
- Stress Pattern (1960)
- Streßstrukturen [German] (1979)
- Strong Waters (1959)
- Stürme auf Siros [German] (1971)
- Subterfuge (1960)
- Sundance (1969)
- Sunrise on Mercury (1957)
- Sunrise on Mercury (1957) with Calvin M. Knox
- Sunrise on Pluto (1985)
- Swords Against the Outworlders (1957)
- Swords Against the Outworlders (1957) with Calvin Knox
- Symbiont (1985)
- Tales from the Venia Woods (1989)
- Tant de chaleur humaine [French] (2002)
- Tebas das Mil Portas [Portuguese] (1993)
- Tebe dalle cento porte [Italian] (1993)
- Tegen Babel [Dutch] (1987)
- The Affair (1984)
- The Alien Dies at Dawn (1956) with Randall Garrett
- The Alien Dies at Dawn (1956) with Alexander Blade
- The Aliens Were Haters (1958)
- The Ambassador's Pet (1957) with Randall Garrett
- The Ambassador's Pet (1957) with Alexander Blade
- The Android Kill (1957)
- The Android Kill (1957) with Alexander Blade
- The Artifact Business (1957)
- The Asenion Solution (1989)
- The Assassin (1957)
- The Beast with 7 Tails (1956) with Randall Garrett
- The Beast with 7 Tails (1956) with Leonard G. Spencer
- The Blue Plague (1957)
- The Book of Changes (2003)
- The Calibrated Alligator (1960)
- The Calibrated Alligator (1960) with Calvin M. Knox
- The Catch (1990)
- The Chalice of Death (1957)
- The Changeling (1982)
- The Chosen People (1956) with Randall Garrett
- The Chosen People (1956) with Robert Randall
- The Church at Monte Saturno (1997)
- The Clone Zone (1991)
- The Cold-Blooded Ones (1958)
- The Cold-Blooded Ones (1958) with Calvin M. Knox
- The Colonel Returns to the Stars (2004)
- The Colonel in Autumn (1998)
- The Day the Founder Died (1974)
- The Day the Monsters Broke Loose (1959)
- The Dead Man's Eyes (1988)
- The Dead World (1957)
- The Dead World (1957) with Warren Kastel
- The Desert of Stolen Dreams (1981)
- The Desiccator (1956)
- The Dessicator (1956)
- The Dragon on the Bookshelf (1995) with Harlan Ellison
- The Dybbuk of Mazel Tov IV (1974)
- The Dybbyk of Mazel Tov IV (2013)
- The Eater of Dreams (2007)
- The Election (1983)
- The Emperor and the Maula (2007)
- The Emperor and the Maula (2017)
- The End of the Line (2011)
- The Face of The Waters (excerpt) (1991)
- The Fangs of the Trees (1968)
- The Far Side of the Bell-Shaped Curve (1982)
- The Fascination of the Abomination (1987)
- The Feast of St. Dionysus (1973)
- The Fight with the Gorgon (1958)
- The Final Challenge (1956)
- The Fires Die Down (1958)
- The Flame and the Hammer (1957)
- The Four (1958)
- The Four (1958) with Calvin M. Knox
- The Girl from Bodies, Inc. (1956) with Randall Garrett
- The Girl from Bodies, Inc. (1956) with Leonard G. Spencer
- The Great Kladnar Race (1956) with Randall Garrett
- The Great Kladnar Race (1956) with Richard Greer
- The Guest Rites (1957)
- The Happy Sleepers (1958)
- The Happy Sleepers (1958) with Calvin M. Knox
- The Happy Unfortunate (1957)
- The Horror in the Attic (1959)
- The Horror in the Attic (1959) with Alex Merriman
- The Hunted Heroes (1956)
- The Hunters of Cutwold (1957)
- The Hunters of Cutwold (1957) with Calvin M. Knox
- The Impossible Intelligence (1959)
- The Incomplete Theft (1957) with Randall Garrett
- The Incomplete Theft (1957) with Ralph Burke
- The Inquisitor (1956)
- The Inquisitor (1956) with Randall Garrett
- The Insidious Invaders (1959)
- The Insidious Invaders (1959) with Eric Rodman
- The Iron Chancellor (1958)
- The Iron Star (1987)
- The Isolationist (1958)
- The Isolationists (1958)
- The Isolationists (1958) with George Osborne
- The Judas Valley (1956) with Randall Garrett
- The Judas Valley (1956) with Gerald Vance
- The King of the Golden River (1967)
- The Last Song of Orpheus (2010)
- The Last Surviving Veteran of the War of San Francisco (1991)
- The Loathsome Beasts (1959)
- The Loathsome Beasts (1959) with Dan Malcolm
- The Lonely One (1956)
- The Lunatic Planet (1957)
- The Lunatic Planet (1957) with Ralph Burke
- The Lure of Galaxy A (1958)
- The Lure of Galaxy A (1958) with Ivar Jorgensen
- The Macauley Circuit (1956)
- The Man Who Came Back (1961)
- The Man Who Floated in Time (1982)
- The Man Who Hated Noise (1957) with Randall Garrett
- The Man Who Hated Noise (1957) with S. M. Tenneshaw
- The Man Who Never Forgot (1958)
- The Man with Talent (1956)
- The Man with X-Ray Eyes (1957) with Randall Garrett
- The Man with the X-Ray Eyes (1957) with Leonard G. Spencer
- The Martian (1955)
- The Martian (1955) with Bob Silverberg
- The Martian Invasion Journals of Henry James (1996)
- The Middle-Aged Rookie (1959)
- The Middle-Aged Rookie (1959) with Charles D. Hammer
- The Millennium Express (2000)
- The Monsters Came by Night (1959)
- The Monsters Came by Night (1959) with Charles D. Hammer
- The Moon Is New (1959)
- The Moon Is New (1959) with David Osborne
- The Mummy Takes a Wife (1956) with Randall Garrett
- The Mummy Takes a Wife (1956) with Clyde Mitchell
- The Mutant Season (1973)
- The Mystery of Deneb IV (1957)
- The Nature of the Place (1963)
- The Nudes of Quendar III (1957)
- The Old Man (1957)
- The Old Man (1957) with S. M. Tenneshaw
- The Outbreeders (1959)
- The Outbreeders (1959) with Calvin M. Knox
- The Overlord's Thumb (1958)
- The Pain Peddlers (1963)
- The Palace at Midnight (1981)
- The Pardoner's Tale (1987)
- The Perfect Host (1992)
- The Pleasure of Our Company (1970)
- The Pleasure of Their Company (1970)
- The Pope of the Chimps (1982)
- The Positronic Man (excerpt) (1992) with Isaac Asimov
- The Prisoner (2010)
- The Promised Land (1956) with Randall Garrett
- The Promised Land (1956) with Robert Randall
- The Reality Trip (1970)
- The Red Blaze Is the Morning (1995)
- The Regulars (1981)
- The Reign of Terror (2003)
- The Reluctant Traitor (1958)
- The Reluctant Traitor (1958) with Ralph Burke
- The Rivals (1956)
- The Road to Nightfall (1958)
- The Science Fiction Hall of Fame (1973)
- The Science Fiction Hall of Fame [Italian] (2010)
- The Second Shield (1995)
- The Second Wave (2002)
- The Secret Sharer (1987)
- The Secret of the Shan (1957) with Randall Garrett
- The Secret of the Shan (1957) with Richard Greer
- The Seed of Earth (1962)
- The Seed of Earth (1958)
- The Seventh Shrine (1998)
- The Shadow of Wings (1963)
- The Shrines of Earth (1957)
- The Silent Colony (1954)
- The Silent Colony (1954) with Bob Silverberg
- The Silent Invaders (1958)
- The Silent Invaders (1958) with Calvin M. Knox
- The Sixth Palace (1965)
- The Slow and the Dead (1956) with Randall Garrett
- The Slow and the Dead (1956) with Robert Randall
- The Song of Last Things (2013)
- The Song the Zombie Sang (1970) with Harlan Ellison
- The Songs of Summer (1956)
- The Sorcerer's Apprentice (2004)
- The Sorcerer's Shop (1974)
- The Soul-Painter and the Shapeshifter (1981)
- The Sri Lanka Position (1993)
- The Still Small Voice (1960)
- The Summer of Homecoming: The New Springtime, Vol. III (2010)
- The Throwbacks (1970)
- The Time of the Burning (1982)
- The Tomb of the Pontifex Dvorn (2011)
- The Traders (1958)
- The Tree That Grew from the Sky (1996)
- The Trouble with Sempoanga (1982)
- The True Vintage of Erzuine Thale (2009)
- The Ultimate Weapon (1957)
- The Ultimate Weapon (1957) with S. M. Tenneshaw
- The Unbeliever (1963)
- The Undertaker's Sideline (1959)
- The Unique and Terrible Compulsion (1958)
- The Unique and Terrible Compulsion (1958) with Calvin M. Knox
- The Untouchables (1958)
- The Untouchables (1958) with Calvin M. Knox
- The Wages of Death (1958)
- The Warm Man (1959)
- The Warriors of Light (1965)
- The Way They Wove the Spells in Sippulgar (2009)
- The Way to Spook City (1992)
- The Weight Watcher (1977)
- The Werewolf Gambit (1957)
- The Wind and the Rain (1973)
- The Winds of Siros (1957)
- The Woman You Wanted (1958)
- The World He Left Behind (1959)
- The World He Left Behind Him (1959)
- The World Outside (1970)
- Thebes of the Hundred Gates (1992)
- Theorie und Praxis [German] (1969)
- There Was an Old Woman (1958)
- There Was an Old Woman— (1958)
- There's No Place Like Space (1959)
- There's No Place Like Space! (2016)
- Thesme and the Ghayrog (1982)
- Thesme et le Ghayrog [French] (1983)
- They Hide, We Seek (1990)
- This Is the Road (1973)
- This World Must Die! (1957)
- This World Must Die! (1957) with Ivar Jorgenson
- Thomas der Verkünder [German] (1979)
- Thomas le proclamateur [French] (1985)
- Thomas the Proclaimer (1972)
- Three Survived (1957)
- Three Survived (1969)
- Thunder Over Starhaven (1957)
- Thunder Over Starhaven (1957) with Ivar Jorgenson
- Thèbes aux cent portes [French] (1992)
- To Be Continued (1956)
- To Be Continued ... (2005)
- To Jorslem (1969)
- To Live Again (excerpt) (1974)
- To See the Invisible Man (1963)
- To the Dark Star (1968)
- To the Promised Land (1989)
- Toen We Gingen Kijken naar het Einde van de Wereld [Dutch] (1974)
- Toen We naar het Einde van de Wereld Gingen Kijken [Dutch] (1978)
- Tombouctou à l'heure du lion [French] (1994)
- Tools of the Trade (1956) with Randall Garrett
- Tools of the Trade (1956) with Robert Randall
- Tourist Trade (1984)
- Tourist Trade (1989)
- Traitor Legion (1958)
- Translation Error (1959)
- Translation verticale [French] (1973)
- Trauernd hinterblieben [German] (1975)
- Travelers (1999)
- Traverser la ville [French] (1980)
- Trip dans le réel [French] (1979)
- Trip in die Wirklichkeit [German] (1971)
- Trips (1974)
- Trips [French] (1980)
- Trips [Dutch] (1977)
- Tutto va liscio [Italian] (1976)
- Twelve Hours to Blow! (1957)
-
Tysiąc kroków po Via Dolorosa?Tysiac krokow po Via Dolorosa[Polish] (1996)
- Tänzer im Zeitstrom [German] (1987)
- Tête de pont [French] (1960) with T. E. Bethlen
-
U čeljustima entropije?U celjustima entropije[Serbian] (1984)
U cheljustima entropije - U grupi [Serbian] (1991)
- Um mar de rostos [Portuguese] (1981)
- Un homme de talent [French] (2002)
- Un loup dans la ménagerie [French] (1977)
- Un personnage en quête de corps [French] (1980)
- Una "soffiata" su una tartaruga [Italian] (1994)
- Una regina per Keith [Italian] (1963) with Calvin Knox
- Une aiguille dans une meule de temps [French] (1989)
- Une fois les mythes rentrés chez eux [French] (2002)
- Une mer de visages [French] (1980)
- Une mer de visages [French] (1984)
- Une voleuse à Ni-moya [French] (1983)
- Unknown Soldier of Space (1958)
- Unsere Liebe Frau von den Sauriern [German] (1981)
- Valentine Pontifex (excerpt) (1984)
- Valley Beyond Time (1957)
- Vampires from Outer Space (1959)
- Vampires from Outer Space (1959) with Richard F. Watson
- Vanishing Act (1958) with Randall Garrett
- Vanishing Act (1958) with Robert Randall
- Vault of the Ages (1956)
- Vengeance of the Space Armadas (1958)
- Vengeance of the Space Armadas (1958) with Calvin M. Knox
- Venus Trap (1956)
- Via Roma (1994)
- Viaggi [Italian] (1977)
- Viaggio nella realtà [Italian] (1980)
- Viaggio verso casa [Italian] (1993)
- Vidjeti nevidljivoga [Croatian] (1979)
- Viele Häuser [German] (1984)
- Vier: Calintane erklärt [German] (1985)
- Visum für den Sirius [German] (1975)
- Višestruki [Croatian] (1988)
- Vjetar i kiša [Croatian] (1982)
- Vlucht 128 naar de Aarde [Dutch] (1971)
- Voile vers Byzance [French] (1987)
- Voir l'homme invisible [French] (1964)
- Voisins [French] (2002)
- Voriax and Valentine (1982)
- Voriax et Valentine [French] (1983)
- Voués aux ténèbres [French] (1991)
- Vox [German] (1989)
- Voyage dans la réalité [French] (1973)
- Voyage sans retour [French] (2002)
- Voyage to Procyon (1958)
- Voyageurs [French] (2001)
-
Vântul și ploaia?Vantul si ploaia[Romanian] (1989)
Vantul shi ploaia -
Wąż i ocean, ocean i wąż?Waz i ocean, ocean i waz[Polish] (1996)
- Waar de Veranderden Heen Gaan [Dutch] (1969)
- Waiting for the Earthquake (1981)
- Waiting for the End (1998)
- Warm Man (1957)
- Warten auf das Beben [German] (1981)
- Warum? [German] (1984)
- Was heute in der Morgenzeitung stand [German] (1985)
- Watchdogs (1986)
- Waters of Forgetfulness (1959)
- Waters of Forgetfulness (1959) with Eric Rodman
- We Are Well Organized (1970)
- We Are for the Dark (1988)
- We Know Who We Are (1970)
- We, the Marauders (1958)
- Wednesday Morning Sermon (1957) with Randall Garrett
- Wednesday Morning Sermon (1957) with Alexander Blade
- Welt der tausend Farben [German] (1972)
- Weltenwanderer [German] (1982)
- What We Learned from This Morning's Newspaper (1972)
- When We Went to See the End of the World (1972)
- Where Alph, the Sacred River, Ran... (1952)
- Where the Changed Ones Go (1966)
- Which Was the Monster? (1959)
- Which Was the Monster? (1959) with Dan Malcolm
- Why? (1957)
- Wie van Ons? [Dutch] (1979)
- With Caesar in the Underworld (2002)
- Woman's World (1957)
- World of a Thousand Colors (1957)
- World of a Thousand Colours (1996)
- Yokel with Portfolio (1955)
- Yokel with Portfolio (1955) with Bob Silverberg
- You Do Something to Me (1959)
- You Do Something to Me (1959) with Calvin M. Knox
- Zehn: Voriax und Valentine [German] (1985)
- Zeitspringer [German] (1963)
- Zeitspringer [German] (1975)
- Zie de Onzichtbare Man [Dutch] (1977)
-
Zobaczyć niewidzialnego?Zobaczyc niewidzialnego[Polish] (1991)
- Zonnedans [Dutch] (1977)
- Zwei: Die Zeit des Feuers [German] (1985)
- Zwischenstation [German] (1975)
- {Now + n, Now - n} (1972)
-
Šesta palača?Sesta palaca[Croatian] (1982)
Shesta palacha
- A Certain Answer (1958) with Randall Garrett
- A Certain Answer (1958) with Robert Randall
- "... Not Even Wrong" (2013)
- "Common Time" (1987)
- "Darn," He Smiled (2016)
- "Hothouse" (1987)
- "Light of Other Days" (1987)
- "The Eyes of the Overworld" and "The Dying Earth" (1980)
- (Theodore Sturgeon Appreciation) (1985)
- ... And Now Thirty (2014)
- ... And Then There Were Six (1995)
- A Brief History of Fandom (1951)
- A Famous Fantastic Mystery (2016)
- A Logic Named Will (2008)
- A Pair of Ragged Jaws (2005)
- A Postage Stamp for Isaac (2004)
- A Relic of Antiquity (2011)
- A Science-Fiction Garden (1981)
- A Song of Ice and Fire (1998)
- A Species Saved Is a Species Earned (1995)
- A Writer's Beginnings (1985)
- A Writer's Diary (2011)
- Aardzee [Dutch] (1999)
- About Bill Rotsler (1973)
- About Bill Rotsler (1973) with Bob Silverberg
- About Dick Lupoff (1995)
- About His Novelette "Enter a Soldier. Later: Enter Another" (1990)
- Absolutely Bogus (2002)
- Acknowledgments (Lord Valentine's Castle) (1981)
- Adventures in the Far Future (2009)
- Adventures in the Far Future II (2009)
- Advertisements For Myself (2017)
- Afterword (Blood on the Mink) (2012)
- Afterword (Caesar's Time Legions) (1991)
- Afterword (Call Me Titan) (1998)
- Afterword (Gilgamesh the King) (1984)
- Afterword (Glory's End) (1990)
- Afterword (Hawksbill Times Two) (2002)
- Afterword (Lord of Darkness) (1983)
- Afterword (The Dawning Light) (1981)
- Afterword (The Pirate Paradox) (1991)
- Afterword (The Robin Hood Ambush) (1990)
- Afterword (The Shrouded Planet) (1981)
- Afterword (The True Vintage of Erzuine Thale) (2009)
- Afterword (Timecrime, Inc.) (1991)
- Afterword (Trips) (1974)
- Afterword: Christmas in Gondwanaland (2014)
- Afterword: Outpost of the Empire (1991)
- Afterword: The Valley of Neander (1964)
- Aladdin's Cave (2008)
- Alfred Bester (2000)
- Alice Turner (2015)
- Alive as You and Me (1995)
- All That Is Solid Melts Into Air (2000)
- All Those Picture-Books (1981)
- Alternative Energy Sources (1997)
- Alva Rogers: An Appreciation (1982)
- Alvaro Zinos-Amaro and When the Blue Shift Comes (2013)
- Alvin Maker (2003)
- Alvin Maker [Dutch] (2004)
- American Gods (2003)
- American Gods [Dutch] (2004)
- An den Leser (Einbruch der Nacht) [German] (1997) with Isaac Asimov
- Ancestral Voices (2003)
- And You Were Worried About Y2K? (2000)
- Anderland [Dutch] (2004)
- Androidi i roboti [Croatian] (1983)
- Androidi i roboti [Croatian] (1983) with R. Silverberg
- Anne McCaffrey (2012)
- Annotated Bibliography: Contemporary Period (1965-Present) (1975)
- Annotated Bibliography: Predictive Period (1935-1965) (1975)
- Annotated Bibliography: Primative Period (1900-1935) (1975)
- Another Thirtieth Anniversary (2008)
- Another Transition (2014)
- Anthologies (2012)
- Appreciation (The High Crusade) (2010)
- As Slow as Possible (2012)
- Author's Afterword (Hopper) (1980)
- Author's Introduction (World's Fair 1992) (1982)
- Author's Note (Recalled to Life) (1971)
- Author/Title Index to Annotated Bibliography (1975)
- Autographs (1999)
- Avant-propos (Glissement vers le bleu) [French] (2015)
- Avant-propos de l'éditeur (Trois futurs incertains) [French] (1972) with uncredited
- Ballantine Hall of Fame Award (2008)
- Barbara Silverberg's Martian Salad Dressing (1973)
- Barbara Silverberg's Raspbetty-Madeira Bavarian Cream (1973)
- Bat Durston's Blasting Jets (1984)
- Beaming It Down (2008)
- Becoming a Writer (1986)
- Beginnings (1985)
- Beyond Reality's Barriers: New Dimensions (1978) with Charles L. Elkins
- Beyond Reality's Barriers: New Dimensions (1978) with Charles Elkins
- Bibliotecas fantásticas [Spanish] (2004)
- Big Boy (1959) (2017)
- Big-Endians/Little-Endians (2012)
- Bill Rotsler (1997)
- Bill Rotsler (1997) with Bob Silverberg
- Blue Fire (1967)
- Blues and Greens (2014)
- Bob Tucker (2006)
- Books (Cosmos #3) (1977)
- Boomers and the Science Fiction Boom (1997)
- Borges, Leinster, Google (2014)
- Born with the Dead: Introduction (2013)
- Brave New Words (2010)
- Building Worlds: Part I (2009)
- Building Worlds: Part II (2009)
- Building Worlds: Part III (2009)
- Burning Science at the Stake (2002)
- Byron Preiss (2005)
- Calling Dr. Asimov! (2010)
- Campbell, Boucher, Gold (1996)
- Cause and Effect (2001)
- Celebrating 50 Years of Locus (2018)
- Charles N. Brown (2009)
- Charles N. Brown [French] (2009)
- Charlie (2009)
- Circe and Doctor Moreau (2018)
- City: Clifford D. Simak (1996)
- Colony: I Trusted the Rug Completely (1987)
- Coming Attractions (1997)
- Comment on To See the Invisible Man (foreword) (1970)
- Common Time: With All of Love (1987)
- Congratulations on SF-Magazine's 200th Issue [Japanese] (1975) with Brian W. Aldiss and Isaac Asimov and J. G. Ballard and Ray Bradbury and Arthur C. Clarke and Harlan Ellison and Philip José Farmer and Harry Harrison and Robert A. Heinlein and Frank Herbert and Frederik Pohl and Donald A. Wollheim
-
Congratulations on SF-Magazine's 200th Issue [Japanese] (1975)
with
ブライアン・W・オールディス?Buraian W. Ōrudisuandアイザック・アシモフ?Aizakku AshimofuandJ・G・バラード?J. G. Barādoandレイ・ブラッドベリ?Rei Buraddoberiandハーラン・エリスン?Hāran Erisunandフィリップ・ホセ・ファーマー?Firippu Hose Fāmāandハリイ・ハリスン?Harii Harisunandロバート・A・ハインライン?Robāto A. Hainrainand
Robaato A. Hainrainフランク・ハーバート?Furanku Hābātoandアーサー・C・クラーク?Āsā C. Kurākuandフレデリック・ポール?Furederikku Pōruandロバート・シルヴァーバーグ?Robāto Shiruvābāguandドナルド・A・ウォルハイム?Donarudo A. Woruhaimu - Contest (1995)
- Cordwainer Smith (2011)
- Cosmic Conflagration (1954)
- Creationism (1989)
- Crime and Punishment (1994)
- Crimes of My Youth (1998)
- Cronos: An Introduction (2001)
- Cuando no había internet [Spanish] (2003)
- Cómo escribir ciencia ficción [Spanish] (2004)
- Dancing Through the Apocalypse (2010)
- Dave Ish (2007)
- Day Million: A Boy, a Girl, a Love Story (1987)
- De Donkere Toren [Dutch] (1999)
- De Levens van Alvin Maker [Dutch] (1999)
- De Oorlog van de Grote Scheuring [Dutch] (2004)
- De Oorlog van de Grote Scheuring [Dutch] (1999)
- De Reiziger [Dutch] (2004)
- De Wetten van de Magie [Dutch] (1999)
- Dead Souls (2001)
- Dead as a Dodo (2016)
- Death of a Gambler (1961) (2017)
- Decline and Fall (2012)
- Decoding Cuneiform (2007)
- Dem Bones, Dem Bones (1998)
- Demain les chiens : Une préface [French] (2001)
- Diana Gabaldon: Die Highland-Saga [German] (2005)
- Discworld (1998)
- Do Androids Dream of Electric Cats? (2018)
- Don Wollheim (1991)
- Donald A. Wollheim: An Appreciation (1990)
- Doomsday (2009)
- Dr. Koch and the Oldest Americans (1969)
- Dreams (1995)
- Dumbing Down (1985)
-
Dva zanimljiva mišljenja o noveli?Dva zanimljiva mishljenja o noveli[Serbian] (1987)
- E-Mail from Cthulhu (2003)
- Earth Is the Strangest Planet (2011)
- Earthsea (1998)
- Editor's Introduction (A Pail of Air) (2016)
- Editor's Introduction (After-Images) (2016)
- Editor's Introduction (Daisy, in the Sun) (2016)
- Editor's Introduction (Final Exam) (2016)
- Editor's Introduction (Finis) (2016)
- Editor's Introduction (Guyal of Sfere) (2016)
- Editor's Introduction (Heresies of the Huge God) (2016)
- Editor's Introduction (Last and First Men) (2016)
- Editor's Introduction (N Day) (2016)
- Editor's Introduction (Prayers to the Sun by a Dying Person) (2016)
- Editor's Introduction (The Coming of the Ice) (2016)
- Editor's Introduction (The End of the World as We Know It) (2016)
- Editor's Introduction (The Eternal Adam) (2016)
- Editor's Introduction (The Last Generation) (2016)
- Editor's Introduction (The New Atlantis) (2016)
- Editor's Introduction (The Rain at the End of the World) (2016)
- Editor's Introduction (The Screwfly Solution) (2016)
- Editor's Introduction (The Wind and the Rain) (2016)
- Editor's Introduction (Three Days After) (2016)
- Editor's Introduction (Three For Tomorrow) (1969)
- Editor's Introduction (Three For Tomorrow) (1969) with uncredited
- Editor's Introduction (When We Went to See the End of the World) (2016)
- Editor's Introduction (Who Can Replace a Man?) (2016)
- Editorial: Characterization in Science Fiction (1969)
- Editorial: Diversity in Science Fiction (1969)
- Een Lied van IJs en Vuur [Dutch] (1999)
- Einleitung (Die Schatten dunkler Flügel ) [German] (1975)
- Einleitung (Menschen für den Mars) [German] (1966)
- Einleitung (Menschen und andere Ungeheuer) [German] (1974)
- Einleitung (Science Fiction Hall of Fame 1: Die besten Storys 1934-1948) [German] (2016)
- El affaire Cleve Cartmill II [Spanish] (2004)
- Embalm Your Spouse (1987)
- Emphyrio: Introduction (2008)
- End of the World Cancelled (1999)
- Enwonderment (1984)
- Extinct Again (1996)
- Falsus In Uno, Falsus In Omnibus (1978)
- Fanmag (1953)
- Fanmag (1953) with Bob Silverberg
- Fantasies About Fiction (2005)
- Fantastic Libraries (2003)
- Fantasy Books (Fantastic, April 1965) (1965)
- Fantasy Books (Fantastic, January 1965) (1965)
- Fantasy Books (Fantastic, March 1965) (1965)
- Fantasy Books (Fantastic, May 1965) (1965)
- Far Horizons: All New Tales from the Greatest Worlds of Science Fiction (excerpt) (2000)
- Far Out (2004)
- Farming (2007)
- Feedback (1989)
- Fifty Years of Hugo Ceremonies: A Retrospective (2013)
- Fimbulwinter 2015 (2016)
- Flashing Before My Eyes (2006)
- Fondly Fahrenheit: Who Am I, Which Are You? (1987)
- For Further Reading (Robert Silverberg's Worlds of Wonder) (1987)
- For Further Reading (Science Fiction: 101) (2001)
- Foreword (Barlowe's Guide to Extraterrestrials) (1987)
- Foreword (Clarges) (2016)
- Foreword (First-Person Singularities) (2017)
- Foreword (Geodesic Dreams: The Best Short Fiction of Gardner Dozois) (1992)
- Foreword (Hawksbill Times Two) (2002)
- Foreword (Killdozer!) (1996)
- Foreword (No Mind of Man) (1973)
- Foreword (Off Limits: Tales of Alien Sex) (1996)
- Foreword (Robert Silverberg's Worlds of Wonder) (1987)
- Foreword (Science Fiction: 101) (2001)
- Foreword (Starmasters) (2018)
- Foreword (The Best of the Best: 20 Years of the Year's Best Science Fiction) (2005)
- Foreword (The Great SF Stories: 1964) (2001)
- Foreword (The Mammoth Book of The Best of The Best New SF) (2008)
- Foreword (Three Trips in Time and Space) (1973)
- Foreword (Voyages to Strange Days) (2014)
- Foreword (With Folded Hands ... And Searching Mind) (2010)
- Foreword (Zion's Fiction: A Treasury of Israeli Speculative Literature) (2018)
- Foreword: A Time of Changes (1980)
- Foreword: Pontifications (1997)
- Forty Years! (Asimov's, March-April 2017) (2017)
- Four in One: Complications, With Elegance (1987)
- Fragments Out of Time (2004)
- Fragments Out of Time: Two (2004)
- Frank (2014)
- Fred (2010)
- Further Reading (1982) with Martin H. Greenberg and Charles G. Waugh
- Gardner Moves On (2005)
- Genetic Hysteria (1985)
- Genetic Luddites Yet Again (1997)
- Geologic Time Scale (1982) with Martin H. Greenberg and Charles G. Waugh
- George R. R. Martin: Das Lied von Eis und Feuer [German] (2005)
- Gersham's Law and Science Fiction (1995)
- Gersham's Law, Continued (1995)
- Get Out and Stay Out (1957) (2017)
- Getting Rid of Acid Rain (1985)
- Getting Rid of Acid Rain, Continued (1985)
- Ghost Stories (2010)
- Girl in the Thunderbird (1960) (2017)
- Glimpses of the Future (1997)
- Glossary (The Science Fictional Dinosaur) (1982) with Martin H. Greenberg and Charles G. Waugh
- Gods Almighty (1996)
- Gog and Magog (2017)
- Gog and Magog II (2018)
- Going to Conventions (1993)
- Gold Doesn't Smell (1995)
- Gourmet to Go (1996)
- Grand Masters, the Sequel (2005)
- Greetings from the Past (2000)
- Gresham's Law Continued (1995)
- Gresham's Law and SF (1995)
- Gresham's Law and Science Fiction (1997)
- Guest Editorial (1956) with Randall Garrett
- Guest Editorial (1956) with Robert Randall
- Guest of Honor (2000)
- Guest of Honor Speech: Robert Silverberg (1970) (2006)
- H. L. Gold: An Appreciation (1996)
- H.G. Wells (2005)
- HTTP, Etc. (1999)
- Hacia una teoría del relato [Spanish] (2004)
- Hacia una teoría del relato II: Hay una historia y solo una historia [Spanish] (2004)
- Hacia una teoría del relato III: El narrador de historias como chamán [Spanish] (2004)
- Harlan (1977)
- Harlan (1977)
- Harlan Ellison: An Appreciation (1983)
- Harry Harrison (2012)
- Hast Seen the White Whale? (1998)
- Heart of Stone (2003)
- Heinlein (1992)
- Henry Kuttner and C.L. Moore (2011)
- Here Comes Civilization: Introduction (Here Comes Civilization) (2001)
- Het Lied van IJs en Vuur [Dutch] (2004)
- Het Rad des Tijds [Dutch] (1999)
- Het Rijk van de Ouderlingen [Dutch] (2004)
- Heugenis, Smart en het Sterrenzwaard [Dutch] (1999)
- Hic Rhodus, Hic Salta (2009)
- Hobson-Jobson (2001)
- Holocaust Deniers (1994)
- Home Is the Hunter: The Triumph of Honest Roger Bellamy (1987)
- Homefaring: An Introduction (2000)
- Hot Heiress (1958) (2017)
- Hothouse: The Fuzzypuzzle Odyssey (1987)
- How We Work (1975)
- How to Write (2002)
- Howard Browne Remembered (2000)
- Humans as Machines: The Ideas of Edward O. Wilson (1981)
- I Can't Die Now (1961) (2017)
- I Don't Want No Trouble (1961) (2017)
- I Invent the Compact Disc in 1961 (2018)
- I'd Like to Talk to You, Robert (1991)
- Ian (1995)
- In Another Country: Introduction (1989)
- In Memoriam: Isaac Asimov (1920-1992) (Obit) (1992) with Karen Anderson and Poul Anderson and Isaac Asimov and Janet Asimov and Stanley Asimov and Ben Bova and Arthur C. Clarke and Joel Davis and Catherine Crook de Camp and L. Sprague de Camp and Harlan Ellison and Martin H. Greenberg and Shawna McCarthy and Frederik Pohl and Carl Sagan and Stanley Schmidt and Norman Spinrad and Sheila Williams and Connie Willis and Jane Yolen
- In Memoriam: Lester del Rey 1915-1993 (1993)
- In the Bush of Ghosts (2009)
- Infinity's Choice (Infinity Science Fiction, August 1958) (1958)
- Infinity's Choice (Infinity Science Fiction, November 1958) (1958)
- Infinity's Choice (Infinity Science Fiction, October 1958) (1958)
- Inleiding (Binnenwereld) [Dutch] (1980)
- Inleiding (Galerij der Giganten 1) [Dutch] (1976)
- Inleiding (Legenden) [Dutch] (1999)
- Inleiding (Mythen) [Dutch] (2004)
- Inleiding (Verre horizons) [Dutch] (unknown)
- Introducción (Lo mejor de Silverberg) [Spanish] (1977)
- Introducción a Horizontes lejanos [Spanish] (2000)
- Introduction (A Century of Fantasy 1980-1989) (1996)
- Introduction (A Century of Science Fiction 1950-1959) (1997)
- Introduction (A Little Intelligence) (2009)
- Introduction (A Robert Silverberg Omnibus) (1981)
- Introduction (A Separate Star) (1984)
- Introduction (A Time of Changes) (1979)
- Introduction (All the Lies That Are My Life) (1980)
- Introduction (Alpha 1) (1970)
- Introduction (Alpha 3) (1972)
- Introduction (Alpha 4) (1973)
- Introduction (Alpha 5) (1974)
- Introduction (Alpha 6) (1976)
- Introduction (Alpha 7) (1977)
- Introduction (Alpha 8) (1977)
- Introduction (Alpha 9) (1978)
- Introduction (Alpha Two) (1971)
- Introduction (Amazing Stories: Visions of Other Worlds) (1986)
- Introduction (And Chaos Died) (1978)
- Introduction (Antarctica) (1997)
- Introduction (At Winter's End) (2005)
- Introduction (Battlefields Beyond Tomorrow) (1987)
- Introduction (Beyond Control) (1972)
- Introduction (Beyond the Beyond) (2012)
- Introduction (Beyond the Gate of Worlds) (1991)
- Introduction (Beyond the Safe Zone) (1986)
- Introduction (Born With the Dead) (1979)
- Introduction (Car Sinister) (1979) with Martin H. Greenberg and Joseph D. Olander
- Introduction (Car Sinister) (1979) with Martin Harry Greenberg and Joseph D. Olander
- Introduction (Chains of the Sea) (1973)
- Introduction (City) (1995)
- Introduction (Clans of the Alphane Moon) (1979)
- Introduction (Collision Course) (1977)
- Introduction (Conquerors from the Darkness) (1979)
- Introduction (Dark Stars) (1969)
- Introduction (Dawn of Time) (1979) with Martin H. Greenberg and Joseph D. Olander
- Introduction (Dawn of Time) (1979) with Martin Harry Greenberg and Joseph Olander
- Introduction (Deep Space) (1973)
- Introduction (Des hommes et des machines) [French] (1973)
- Introduction (Destination 3001) [French] (2000) with Jacques Chambon
- Introduction (Dinosaurs) (1996)
- Introduction (Downward to the Earth) (1979)
- Introduction (Early Days: More Tales from the Pulp Era) (2016)
- Introduction (Earth Is the Strangest Planet) (1977)
- Introduction (Earthmen and Strangers) (1966)
- Introduction (Epoch) (1975) with Roger Elwood
- Introduction (Explorers of Space) (1975)
- Introduction (Fandom Harvest) (1986)
- Introduction (Fantasy: The Best of 2001) (2002) with Karen Haber
- Introduction (Fantasy: The Best of 2002) (2003) with Karen Haber
- Introduction (Far Horizons: All New Tales from the Greatest Worlds of Science Fiction) (1999)
- Introduction (Galactic Dreamers) (1977)
- Introduction (Great Science Fiction of the 20th Century) (1987) with Martin Harry Greenberg
- Introduction (Great Short Novels of Science Fiction) (1970)
- Introduction (Great Tales of Science Fiction) (1983) with Martin H. Greenberg
- Introduction (Hawksbill Station) (1978)
- Introduction (Hot Times in Magma City) (2013)
- Introduction (Hunt the Space-Witch!) (2011)
- Introduction (In Another Country / Vintage Season) (1990)
- Introduction (In Another Country and Other Short Novels) (2002)
- Introduction (In the Beginning: Tales from the Pulp Era) (2006)
- Introduction (Infinite Jests) (1974)
- Introduction (Invaders from Space) (1972)
- Introduction (Irrational Numbers) (1976)
- Introduction (Le chemin de la nuit) [French] (2002)
- Introduction (Legends II) (2003)
- Introduction (Legends II: Dragon, Sword, and King) (2004)
- Introduction (Legends II: New Short Novels by the Masters of Modern Fantasy) (2004)
- Introduction (Legends II: Shadows, Gods, and Demons) (2004)
- Introduction (Legends) (1998)
- Introduction (Legends: Volume 2) (1998)
- Introduction (Legends: Volume 3) (2000)
- Introduction (Les chants de l'été) [French] (1982)
- Introduction (Les jeux du capricorne) [French] (2002)
- Introduction (Lion Time in Timbuctoo) (2000)
- Introduction (Lost Among the Stars) (2017)
- Introduction (Lost Worlds, Unknown Horizons) (1978)
- Introduction (Légendes de la fantasy Volume 1) [French] (2005)
- Introduction (Master of Life and Death) (1979)
- Introduction (Men and Machines) (1968)
- Introduction (Mind to Mind) (1971)
- Introduction (Multiples) (2011)
- Introduction (Murasaki) (1992)
- Introduction (Mutant Legacy) (1993)
- Introduction (Mutant Star) (1991)
- Introduction (Mutants) (1974)
- Introduction (New Dimensions 1) (1971)
- Introduction (New Dimensions 10) (1980)
- Introduction (New Dimensions 2) (1974)
- Introduction (New Dimensions 3) (1973)
- Introduction (New Dimensions 7) (1977)
- Introduction (New Dimensions 8) (1978)
- Introduction (New Dimensions 9) (1979)
- Introduction (New Dimensions II) (1972)
- Introduction (Next Stop the Stars) (1977)
- Introduction (Norstrilia) (2003)
- Introduction (Ole Doc Methuselah) (1992)
- Introduction (Omega: The Last Days of the World) (1999)
- Introduction (Other Dimensions anthology) (1973)
- Introduction (Other Dimensions omnibus) (2003)
- Introduction (Phases of the Moon) (2004)
- Introduction (Planet of Death) (2010)
- Introduction (Pluto in the Morning Light) (1992)
- Introduction (Recalled to Life) (1977)
- Introduction (Ringing the Changes) (1997)
- Introduction (Robert Silverberg: The Ace Years, Part One) (2017)
- Introduction (Rough Trade) (2017)
- Introduction (Sailing to Byzantium) (2000)
- Introduction (Science Fiction: The Best of 2001) (2002) with Karen Haber
- Introduction (Science Fiction: The Best of 2002) (2003) with Karen Haber
- Introduction (Shadow on the Stars) (2002)
- Introduction (Shardik) (2002)
- Introduction (Something Wild Is Loose) (2008)
- Introduction (Stepsons of Terra) (1976)
- Introduction (Strange Gifts) (1975)
- Introduction (Tales from Super-Science Fiction) (2011)
- Introduction (Tendeléo's Story) (2000)
- Introduction (The 13th Immortal) (2004)
- Introduction (The Aliens) (1976)
- Introduction (The Androids Are Coming) (1979)
- Introduction (The Arbor House Treasury of Great Science Fiction Short Novels) (1980) with Martin H. Greenberg
- Introduction (The Arbor House Treasury of Great Science Fiction Short Novels) (1980) with Martin Harry Greenberg
- Introduction (The Arbor House Treasury of Modern Science Fiction) (1980) with Martin H. Greenberg
- Introduction (The Arbor House Treasury of Modern Science Fiction) (1980) with Martin Harry Greenberg
- Introduction (The Arbor House Treasury of Science Fiction Masterpieces) (1983) with Martin H. Greenberg
- Introduction (The Best of New Dimensions) (1979)
- Introduction (The Best of Randall Garrett) (1982)
- Introduction (The Best of Robert Silverberg) (1976)
- Introduction (The Best of Robert Silverberg: Stories of Six Decades) (2012)
- Introduction (The Book of Skulls) (1979)
- Introduction (The Chalice of Death) (2012)
- Introduction (The Collected Stories of Robert Silverberg Volume 1 Secret Sharers) (1992)
- Introduction (The Conglomeroid Cocktail Party) (1984)
- Introduction (The Crystal Ship) (1976)
- Introduction (The Cube Root of Uncertainty) (1970)
- Introduction (The Disappearance) (2004)
- Introduction (The Edge of Space) (1979)
- Introduction (The Emperor and the Maula) (2017)
- Introduction (The Ends of Time) (1970)
- Introduction (The Eyes of the Overworld) (1977)
- Introduction (The Fantasy Hall of Fame) (1983)
- Introduction (The Fantasy Hall of Fame) (1996)
- Introduction (The Feast of St. Dionysus) (1979)
- Introduction (The Great SF Stories: 1964) (2001)
- Introduction (The Infinite Web) (1977)
- Introduction (The Lost World) (1995)
- Introduction (The Mammoth Book of Fantasy All-Time Greats) (1988)
- Introduction (The Man Who Melted) (2007)
- Introduction (The Masks of Time / Born with the Dead / Dying Inside) (1988)
- Introduction (The Masks of Time) (1978)
- Introduction (The Masks of Time) (2012)
- Introduction (The Millennium Express: 1995-2009) (2014)
- Introduction (The Mirror of Infinity) (1970)
- Introduction (The Moon Pool) (2001)
- Introduction (The Mutant Prime) (1990)
- Introduction (The Mutant Season) (1989)
- Introduction (The Nebula Awards #18) (1983)
- Introduction (The New Atlantis) (1975)
- Introduction (The Palace at Midnight) (2010)
- Introduction (The Planet Killers) (2011)
- Introduction (The Prometheus Man) (1982)
- Introduction (The Queen of Springtime) (2005)
- Introduction (The Road to Nightfall) (1996)
- Introduction (The Robert Silverberg Science Fiction Megapack) (2016)
- Introduction (The Science Fiction Bestiary) (1971)
- Introduction (The Science Fiction Hall of Fame, Volume I) (1970)
- Introduction (The Science Fictional Dinosaur) (1982) with Martin H. Greenberg and Charles G. Waugh
- Introduction (The Secret Sharer) (1993)
- Introduction (The Seed of Earth) (1977)
- Introduction (The Silent Invaders) (1977)
- Introduction (The Songs of Summer) (1978)
- Introduction (The Time Travellers - A Science Fiction Quartet) (1985)
- Introduction (The Ultimate Alien) (1995)
- Introduction (The Visible Man) (1977)
- Introduction (The Way It Wasn't) (1996)
- Introduction (The Wind and the Rain) (1977)
- Introduction (This Immortal) (1986)
- Introduction (This Way to the End Times) (2016)
- Introduction (Threads of Time) (1974)
- Introduction (Three Novels: The World Inside / Thorns / Downward to the Earth) (1988)
- Introduction (Three Trips in Time and Space) (1973)
- Introduction (Time and Time Again) (2018)
- Introduction (Time of the Great Freeze) (1980)
- Introduction (To Be Continued) (2006)
- Introduction (To Worlds Beyond) (1965)
- Introduction (To the Dark Star) (2007)
- Introduction (To the Stars) (1971)
- Introduction (Tomorrow's Worlds) (1969)
- Introduction (Triax) (1977)
- Introduction (Trips in Time) (1977)
- Introduction (Trips) (2009)
- Introduction (Unfamiliar Territory) (1978)
- Introduction (Universe 1) (1990)
- Introduction (Universe 2) (1992)
- Introduction (Universe 3) (1994)
- Introduction (Unnatural Diplomacy) (1992)
- Introduction (Valley Beyond Time) (1973)
- Introduction (Virtual Unrealities) (1996)
- Introduction (Voyagers in Time) (1967)
- Introduction (War of the Worlds: Fresh Perspectives on the H. G. Wells Classic) (2005)
- Introduction (We Are for the Dark) (2012)
- Introduction (We the Underpeople) (2002)
- Introduction (When the Great Days Come) (2011)
- Introduction (Windows into Tomorrow) (1974)
- Introduction (World of a Thousand Colors) (1982)
- Introduction (World's Fair 1992) (1982)
- Introduction (Worlds Imagined) (1989) with Martin H. Greenberg
- Introduction (Worlds of Maybe) (1970)
- Introduction to "Robots Don't Cry" (2012)
- Introduction to "Sundance" (1973)
- Introduction to In Another Country (1990)
- Introduction to Strangers (2001)
- Introduction: Distant Realms of Space and Time (2004)
- Introduction: My Boy Friend's Name Is Jello (1998)
- Introduction: Nebulas at Century's End (2001)
- Introduction: The Making of a Science-Fiction Writer (1987)
- Introduction: The World of Jack Vance (1994)
- Introduzione (Avventure nell'ignoto) [Italian] (2000)
- Introduzione (Base Hawksbill / Shadrach nella fornace) [Italian] (1980)
- Introduzione (Destinazione: 31° secolo) [Italian] (2004) with Jacques Chambon
- Introduzione (Il meglio della SF / II. L'Olimpo dei classici moderni) [Italian] (2009)
- Introduzione (Il meglio della SF. L'Olimpo dei classici moderni) [Italian] (2008)
- Introduzione (Il tempo della Terra) [Italian] (1992)
- Introduzione (Nuove avventure nell'ignoto) [Italian] (2001)
- Isaac (1992)
- Isaac Asimov Appreciation (1992)
- It Wasn't All That Easy (2009)
- It's Always Night (1957) (2017)
- It's a Tough World (1961) (2017)
- Jack (2013)
- Jack Vance: Grand Master of Science Fiction and Fantasy (1997)
- Jack Vance: The Eyes of the Overworld and the Dying Earth (1977)
- Jack Williamson (2006)
- Jack Williamson (1988)
- Jacques Chambon (2003)
- James Tiptree, Jr. (1993)
- John Brunner Eulogy (1995)
- John Frum, He Come (2013)
- John Keely's Perpetual Motion Machine (1965)
- Joyride to Hell (1959) (2017)
- Judy-Lynn del Rey Appreciation (1986)
- Keep Away from My Daughter (1958) (2017)
- Killer Tomatoes from Outer Space (1990)
- Kingdom of the Titans (1992)
- Kuttner, Moore, and Kuttner & Moore (2010)
- L'éducation d'un docteur de science-fiction [French] (2004)
- La novella [French] (1985)
- Last of the Golden Age Warriors (2001)
- Lee Hoffman (2007)
- Leechdoms, Wortcunning, Starcraft (2015)
- Lester (1993)
- Lester (1993)
- Lester del Rey: An Appreciation (1967)
- Let's Hear It for Neanderthal Man (1999)
- Let's Hear It for Pluto (2002)
- Letter (A. Merritt's Fantasy Magazine, February 1950) (1950)
- Letter (Algol, Fall 1976-Winter 1977) (1976)
- Letter (Amazing Stories, April 1950) (1950)
- Letter (Amazing Stories, June 1951) (1951)
- Letter (Amazing Stories, June 1951) (1951) with Bob Silverberg
- Letter (Ansible 173) (2001)
- Letter (Ansible 327) (2014)
- Letter (Famous Fantastic Mysteries, August 1950): Beynon Enjoyable (1950)
- Letter (Famous Fantastic Mysteries, August 1950): Beynon Enjoyable (1950) with Bob Silverberg
- Letter (Famous Fantastic Mysteries, October 1951): Fanzine is Expanding (1951)
- Letter (Famous Fantastic Mysteries, October 1951): Fanzine is Expanding (1951) with Bob Silverberg
- Letter (Famous Science Fiction, Summer 1968) (1968)
- Letter (Fantastic Adventures, April 1950) (1950)
- Letter (Fantastic Adventures, August 1951): Time to Retire, He Says (1951)
- Letter (Fantastic Adventures, August 1951): Time to Retire, He Says (1951) with Bob Silverberg
- Letter (Fantastic Adventures, July 1950) (1950)
- Letter (Fantastic Adventures, July 1950) (1950) with Bob Silverberg
- Letter (Fantastic Adventures, June 1950) (1950)
- Letter (Fantastic Adventures, June 1950) (1950) with Bob Silverberg
- Letter (Fantastic Novels Magazine, April 1951): Successful Fanzine (1951)
- Letter (Fantastic Novels Magazine, April 1951): Successful Fanzine (1951) with Bob Silverberg
- Letter (Fantastic Novels Magazine, July 1950) (1950)
- Letter (Fantastic Novels Magazine, September 1950) (1950)
- Letter (Fantastic Novels Magazine, September 1950) (1950) with Bob Silverberg
- Letter (Fantastic Story Quarterly, Spring 1951) (1951)
- Letter (Fantastic Story Quarterly, Spring 1951) (1951) with Bob Silverberg
- Letter (Galaxy's Edge, Issue 3: July 2013) (2013)
- Letter (Granfalloon #7) (1969)
- Letter (Granfalloon #7) (1969) with Bob Silverberg
- Letter (Locus #237) (1980)
- Letter (Locus #268) (1983)
- Letter (Locus #327) (1988)
- Letter (Locus #329) (1988)
- Letter (Locus #358) (1990)
- Letter (Locus #368) (1991)
- Letter (Locus #375) (1992)
- Letter (Locus #39) (1969)
- Letter (Locus #432) (1997)
- Letter (Locus #452) (1998)
- Letter (Locus #472) (2000)
- Letter (Locus #486) (2001)
- Letter (Locus #620) (2012)
- Letter (Planet Stories, September 1951) Tsk (1951)
- Letter (Planet Stories, September 1951) Tsk (1951) with Bob Silverberg
- Letter (Riverside Quarterly, November 1966) (1966)
- Letter (SF Commentary 14) (1970)
- Letter (SF Commentary 23) (1971)
- Letter (SF Commentary 5) (1969)
- Letter (Science Fiction Eye #6) (1990)
- Letter (Science Fiction Stories, January 1956) (1956)
- Letter (Science Fiction Stories, January 1956) (1956) with Bob Silverberg
- Letter (Science-Fiction Times #282) (1957)
- Letter (Science-Fiction Times #282) (1957) with Bob Silverberg
- Letter (Speculation 33) (1973)
- Letter (Starship, Fall 1979) (1979)
- Letter (Starship, Summer 1979) (1979)
- Letter (Starship, Summer-Fall 1981) (1981)
- Letter (Starship, Winter 1983-84) (1983)
- Letter (Startling Stories, July 1950): No Letter? (1950)
- Letter (Startling Stories, July 1950): No Letter? (1950) with Bob Silverberg
- Letter (Startling Stories, May 1950): Jambalaya (1950)
- Letter (Startling Stories, May 1951) (1951)
- Letter (Startling Stories, May 1951) (1951) with Bob Silverberg
- Letter (Startling Stories, September 1950): Best Overall (1950)
- Letter (Super Science Stories, March 1950) (1950)
- Letter (The Alien Critic #6) (1973)
- Letter (The Alien Critic #6) (1973) with Bob Silverberg
- Letter (Thrilling Wonder Stories, June 1951) (1951)
- Letter (Thrilling Wonder Stories, June 1951) (1951) with Bob Silverberg
- Letter to Brian W. Aldiss (1990)
- Letter to Gregg Rickman (February 4, 1984; extract) (1984)
- Letter: On Disassembling Verbs (1967)
- Letters (Asimov's, April 1995) (1995) with Sheila Williams
- Letters (Asimov's, February 1997) (1997)
- Levitating Your Dinner (2006)
- Libraries (2012)
- Life in the Future (2012)
- Light of Other Days: Beyond the Radius of Capture (1987)
- Like If (2001)
- Limbo on the Moon (2007)
- Lion Time in Timbuctoo (Introduction) (1990)
- Locus (2008)
- Locus Looks at Books: Guest Review (Locus #346) (1989)
- Loncon 1957 (1958)
- Long-Term Careers (1993)
- Longevity (2014)
- Looking for Atlantis (2013)
- Lost in Translation (1999)
- Lost in Translation II (2015)
- Lou Tabakow: An Appreciation (1981)
- Lovecraft as Science Fiction (2005)
- Lust Duo: Introduction (2014)
- Magical Thinking (2016)
- Majipoor (1998)
- Majipoor [Dutch] (1999)
- Majipoor [Dutch] (2004)
- Making Backups (2006)
- Mars, Incorporated (2000)
- Marta Randall Twice Toasted (1982)
- Memoir (Going Down Smooth) (1980)
- Memoir (The Reality Trip) (1986)
- Memories of a Curious Childhood (1997)
- Memory, Sorrow and Thorn (1998)
- Mike Resnick Worldcon Memories: Introduction (2014)
- Mobster on the Make (2017)
- More About the Plot Genie (2011)
- More Genetic Hysteria (1985)
- More Thoughts About the End of the World (1999)
- Mousetrapped (1958) (2017)
- Mr. Orwell, Meet Mr. Dick and Herr Kafka (2005)
- Mutant Seaweed Engulfs the Mediterranean (1998)
- My Desk (2013)
- My New Software (1997)
- My Trip to the Future (2016)
- My Voyage to Atlantis (2012)
- Nachwort (Planet der Dämmerung) [German] (1987)
- Nachwort (Weltenwanderer) [German] (1982)
- Nawoord (Galerij der Giganten 5) [Dutch] (1978)
- Neque Illorum Ad Nos Pervenire Potest (2004)
- Neque illorum ad nos pervenire potest [Spanish] (2005)
- New Dimensions: R.A. Lafferty Introductions (2017)
- Night and Stars: The Two Visionary Romances of Arthur C. Clarke (2017)
- Nightwings: An Introduction (2001)
- No Woman Born: Flowing from Ring to Ring (1987)
- Non-Asimovian Robots (2015)
- Non-Fiction (1957)
- Not the Book Review Column (1995)
- Note de l'auteur (L'homme dans le labyrinthe / Les masques du temps) [French] (1970)
- Note to the Reader (1990) with Isaac Asimov
- Nothing New Under the Sun (2011)
- Oh, Avram, Avram, What a Wonder You Were! (1998)
- Old Enough to Vote (1995)
- Olla Podrida (2003)
- Olla podrida [Spanish] (2004)
- Once More Into Space (Maybe) (2004)
- One Night of Violence (1959) (2017)
- One-Hit Wonders (2015)
- Opinion (Amazing Science Fiction Stories, January 1982) (1982)
- Opinion (Amazing Science Fiction Stories, November 1982) (1982)
- Opinion (Amazing Science Fiction Stories, September 1982) (1982)
- Opinion (Amazing Stories, January 1983) (1983)
- Opinion (Amazing Stories, January 1984) (1984)
- Opinion (Amazing Stories, January 1985) (1985)
- Opinion (Amazing Stories, July 1981) (1981)
- Opinion (Amazing Stories, July 1983) (1983)
- Opinion (Amazing Stories, July 1984) (1984)
- Opinion (Amazing Stories, July 1985) (1985)
- Opinion (Amazing Stories, June 1982) (1982)
- Opinion (Amazing Stories, March 1982) (1982)
- Opinion (Amazing Stories, March 1983) (1983)
- Opinion (Amazing Stories, March 1984) (1984)
- Opinion (Amazing Stories, March 1985) (1985)
- Opinion (Amazing Stories, March 1986) (1986)
- Opinion (Amazing Stories, May 1981) (1981)
- Opinion (Amazing Stories, May 1983) (1983)
- Opinion (Amazing Stories, May 1984) (1984)
- Opinion (Amazing Stories, May 1985) (1985)
- Opinion (Amazing Stories, May 1986) (1986)
- Opinion (Amazing Stories, November 1981) (1981)
- Opinion (Amazing Stories, November 1983) (1983)
- Opinion (Amazing Stories, November 1984) (1984)
- Opinion (Amazing Stories, November 1985) (1985)
- Opinion (Amazing Stories, September 1981) (1981)
- Opinion (Amazing Stories, September 1983) (1983)
- Opinion (Amazing Stories, September 1984) (1984)
- Opinion (Amazing Stories, September 1985) (1985)
- Opinion (Amazing, January 1986) (1986)
- Opinion (Amazing, July 1986) (1986)
- Opinion (Galileo #10) (1978)
- Opinion (Galileo #11/12) (1979)
- Opinion (Galileo #13) (1979)
- Opinion (Galileo #14) (1979)
- Opinion (Galileo #15) (1979)
- Opinion (Galileo #16) (1980)
- Opinion (Galileo #9) (1978)
- Orson Scott Card: Alvin der Schöpfer [German] (2005)
- Otherland (2003)
- Out of Nowhere (Threshold) (2009)
- Outlander (2003)
- Ovary Transplants? (1994)
- Overview of Drug Themes in Science Fiction (1975)
- Passengers: Author's Foreword (1989)
- Pern (1998)
- Pern [Dutch] (1999)
- Pern [Dutch] (2004)
- Persons from Porlock (2016)
- Phil Klass (2010)
- Philip Jose Farmer: An Appreciation (2002)
- Philip K. Dick : Mémorial prématuré [French] (2015)
- Philip K. Dick : les fictions courtes [French] (2006)
- Philip K. Dick Appreciation (1982)
- Philip K. Dick: A Premature Memoir (1985)
- Philip K. Dick: The Short Fiction (1997)
- Picture-Books, Continued (1982)
- Play It Cool (1960) (2017)
- Players on the Team (1994)
- Pleistocene Park (2000)
- Pluto: Outermost (1985)
- Plutonium for Breakfast (2006)
- Political Correctness, One: Minority Hypersensitivity (1981)
- Political Correctness, Three: Geezer Ruminations (1990)
- Political Correctness, Two: Redskins and Bloody-Nosed Aliens (1988)
- Postface (Demain les chiens) [French] (2013)
- Poul Anderson (2001)
- Praising or Banning (2015)
- Preface (A Time of Changes) (2009)
- Preface (Downward to the Earth) (2015)
- Preface (Lightship) (1986)
- Preface (The World Inside) (2010)
- Preface to the Second Edition (Needle in a Timestack) (1979)
- Prefácio (Viajantes no Tempo) [Portuguese] (1967)
- Presentazione (La terra morente) [Italian] (1994)
- Problems of Time Travel (2002)
- Prodigies (2002)
- Préface (La dimension des miracles revisitée) [French] (2007)
- Pulp Fiction: A Roundtable Discussion (2010) with Richard A. Lupoff and Frank M. Robinson
- Quantity and Quality: The Short Fiction of Philip K. Dick (1998)
- Ralph (2010)
- Randall Garrett: An Appreciation (1988)
- Rare Earths, Getting Rarer (2012)
- Read This (NYRSF, April 1993) (1993)
- Readin' and Writhin' (Future Science Fiction, August 1959) (1959)
- Readin' and Writhin' (Future Science Fiction, August 1959) (1959) with Calvin M. Knox
- Readin' and Writhin' (Future Science Fiction, February 1959) (1959)
- Readin' and Writhin' (Future Science Fiction, February 1959) (1959) with Calvin M. Knox
- Readin' and Writhin' (Future Science Fiction, October 1959) (1959)
- Readin' and Writhin' (Future Science Fiction, October 1959) (1959) with Calvin M. Knox
- Readin' and Writhin' (Science Fiction Stories, May 1959) (1959)
- Readin' and Writhin' (Science Fiction Stories, May 1959) (1959) with Calvin M. Knox
- Readin' and Writhin' (Science Fiction Stories, November 1959) (1959)
- Readin' and Writhin' (Science Fiction Stories, November 1959) (1959) with Calvin M. Knox
- Readin' and Writhin' (Science Fiction Stories, September 1958) (1958) with Jay Tyler
- Readin' and Writhin' (Science Fiction Stories, September 1958) (1958) with Calvin M. Knox and Jay Tyler
- Readin' and Writhin' (Science Fiction Stories, September 1959) (1959)
- Readin' and Writhin' (Science Fiction Stories, September 1959) (1959) with Calvin M. Knox
- Realm of the Elderlings (2003)
- Reflections (Amazing Stories, April 1992) (1992)
- Reflections (Amazing Stories, April 1993) (1993)
- Reflections (Amazing Stories, August 1991) (1991)
- Reflections (Amazing Stories, August 1992) (1992)
- Reflections (Amazing Stories, August 1993) (1993)
- Reflections (Amazing Stories, December 1991) (1991)
- Reflections (Amazing Stories, December 1992) (1992)
- Reflections (Amazing Stories, Fall 1994) (1994)
- Reflections (Amazing Stories, February 1992) (1992)
- Reflections (Amazing Stories, February 1993) (1993)
- Reflections (Amazing Stories, January 1987) (1987)
- Reflections (Amazing Stories, January 1988) (1988)
- Reflections (Amazing Stories, January 1989) (1989)
- Reflections (Amazing Stories, January 1990) (1990)
- Reflections (Amazing Stories, January 1991) (1991)
- Reflections (Amazing Stories, January 1992) (1992)
- Reflections (Amazing Stories, January 1993) (1993)
- Reflections (Amazing Stories, July 1987) (1987)
- Reflections (Amazing Stories, July 1988) (1988)
- Reflections (Amazing Stories, July 1989) (1989)
- Reflections (Amazing Stories, July 1990) (1990)
- Reflections (Amazing Stories, July 1991) (1991)
- Reflections (Amazing Stories, July 1992) (1992)
- Reflections (Amazing Stories, July 1993) (1993)
- Reflections (Amazing Stories, June 1991) (1991)
- Reflections (Amazing Stories, June 1992) (1992)
- Reflections (Amazing Stories, June 1993) (1993)
- Reflections (Amazing Stories, March 1987) (1987)
- Reflections (Amazing Stories, March 1988) (1988)
- Reflections (Amazing Stories, March 1989) (1989)
- Reflections (Amazing Stories, March 1990) (1990)
- Reflections (Amazing Stories, March 1991) (1991)
- Reflections (Amazing Stories, March 1992) (1992)
- Reflections (Amazing Stories, March 1993) (1993)
- Reflections (Amazing Stories, May 1987) (1987)
- Reflections (Amazing Stories, May 1988) (1988)
- Reflections (Amazing Stories, May 1989) (1989)
- Reflections (Amazing Stories, May 1991) (1991)
- Reflections (Amazing Stories, May 1992) (1992)
- Reflections (Amazing Stories, May 1993) (1993)
- Reflections (Amazing Stories, November 1986) (1986)
- Reflections (Amazing Stories, November 1987) (1987)
- Reflections (Amazing Stories, November 1988) (1988)
- Reflections (Amazing Stories, November 1989) (1989)
- Reflections (Amazing Stories, November 1990) (1990)
- Reflections (Amazing Stories, November 1991) (1991)
- Reflections (Amazing Stories, November 1992) (1992)
- Reflections (Amazing Stories, November 1993) (1993)
- Reflections (Amazing Stories, October 1991) (1991)
- Reflections (Amazing Stories, October 1992) (1992)
- Reflections (Amazing Stories, October 1993) (1993)
- Reflections (Amazing Stories, September 1986) (1986)
- Reflections (Amazing Stories, September 1987) (1987)
- Reflections (Amazing Stories, September 1988) (1988)
- Reflections (Amazing Stories, September 1989) (1989)
- Reflections (Amazing Stories, September 1990) (1990)
- Reflections (Amazing Stories, September 1991) (1991)
- Reflections (Amazing Stories, September 1992) (1992)
- Reflections (Amazing Stories, September 1993) (1993)
- Reflections (Amazing Stories, Spring 1994) (1994)
- Reflections (Amazing Stories, Winter 1994) (1994)
- Reflections (Asimov's, August 1994) (1994)
- Reflections (Asimov's, December 1994) (1994)
- Reflections (Asimov's, July 1994) (1994)
- Reflections (Asimov's, November 1994) (1994)
- Reflections (Asimov's, October 1994) (1994)
- Reflections (Asimov's, September 1994) (1994)
- Reflections of an Opinion-Manager (2011)
- Reflections on Isaac (1993)
- Remembering Brian Aldiss (2017) with John Boston and Damien Broderick and Bill Burns and John Clute and Bruce Gillespie and Simon R. Green and John-Henri Holmberg and Paul Kincaid and David Langford and Michael Moorcock and Charles Platt and Christopher Priest and Steve Sneyd and Gordon Van Gelder and Martin Morse Wooster
- Remembering Brian Aldiss (2017) with John Boston and Damien Broderick and Bill Burns and John Clute and Bruce Gillespie and Simon R. Green and John-Henri Holmberg and Paul Kincaid and David Langford and Michael Moorcock and Charles Platt and Chris Priest and Steve Sneyd and Gordon Van Gelder and Martin Morse Wooster
- Remembrance of Things Future (2002)
- Rereading Clarke (2010)
- Rereading Eddison (2012)
- Rereading Fletcher Pratt (2018)
- Rereading Heinlein (2007)
- Rereading Jack Vance (2007)
- Rereading Kornbluth (2010)
- Rereading Philip José Farmer (2014)
- Rereading Philip K. Dick (2012)
- Rereading S. Fowler Wright (2014)
- Rereading Simak (2013)
- Rereading Stapledon (2008)
- Rereading Stapledon II (2008)
- Rereading Theodore Sturgeon (2007)
- Rereading van Vogt (2009)
- Resolved: There Are No Viable Alternative Futures (1976) with Ben Bova and Lester del Rey and Joe L. Hensley and George H. Scithers
- Resolved: There Are No Viable Alternative Futures (1976) with Ben Bova and Lester del Rey and Joe Hensley and George Scithers
- Resurrecting the Quagga (2007)
- Reunite Gondwanaland! (2015)
- Revisions (1983)
- Robert A. Heinlein (2007)
- Robert A. Heinlein Appreciation (1988)
- Robert A. Heinlein, Author of The Martian Chronicles (2014)
- Robert Burton, Anatomist of Melancholy (2005)
- Robert Sheckley (2006)
- Robert Silverberg Issue: An Editorial (1969)
- Robert Silverberg's Beefsteak Tartare (1973)
- Robert Silverberg: Majipoor [German] (2005)
- Robin Hobb: Die Zauberschiffe [German] (2005)
- Roger Phillips (2014)
- Roger and John (1996)
- Russian Roulette (1958) (2017)
- S-F and Escape Literature (1962)
- SF and Escape Literature (1969)
- Saddam Wasn't the Worst (2007)
- Sailing to Byzantium: An Introduction (2000)
- Satan, Get Thee Hence! (2010)
- Scanners Live in Vain: Under the Wire with the Habermans (1987)
- Schijfwereld [Dutch] (1999)
- Science Fiction and the Future (1974)
- Science Fiction as Prophecy (2010)
- Science Fiction in an Age of Revolution (1971)
- Science Fiction in einem Zeitalter des Aufruhrs [German] (1970)
- Science Fiction in the Fifties (2010)
- Science Fiction in the Fifties: The Real Golden Age (2011)
- Selected Mesozoic Reptiles (1982) with Martin H. Greenberg and Charles G. Waugh
- Serials (2005)
- Shannara (2003)
- Shannara [Dutch] (2004)
- Sharing Worlds (2017)
- Ships That Sail to Mars (Part 1) (1997)
- Ships That Sail to Mars (Part 2) (1997)
- Short Stories vs. Novels (1992)
- Showing and Telling (2010)
- Showing and Telling II (2010)
- Showing and Telling: Part I (2011)
- Showing and Telling: Part II (2011)
- Six Degrees of Robert Silverberg (2000)
- Six Trillion Miles High (1997)
- Sixtus the Sixth (2006)
- Smithereens (2000)
- Some Thoughts on the Short Story (2008)
- Some Words About Fantastic... (1952)
- Some Words About Fantastic... (1952) with Bob Silverberg
- Someone Is Watching You (1958) (2017)
- Sounding Brass, Tinkling Cymbal (1975)
- Space Junk for Sale (2008)
- Space Opera: An Introduction (2017)
- Sprague: An Afterword (2005)
- Star (Psi Cassiopeia) (2015)
- Starting Too Soon (1978)
- Stepsons of Terra: Introduction (1977)
- Steve Davis (2011)
- Struldbrugs (1992)
- Symfonie der Tijden [Dutch] (2004)
- Tales of Alvin Maker (1998)
- Tarzan at the Earth's Core (1997)
- Teedaw's Revenge (1959) (2017)
- Terra Incognita (2018)
- That Moon Plaque (Men on the Moon) (1969)
- The 1950s: Introduction (2004)
- The 1960s: Introduction (2004)
- The 1970s: Introduction (2004)
- The 1980s: Introduction (2004)
- The 1990s: Introduction (2004)
- The 2000s: Introduction (2004)
- The Ablative Absolute (1996)
- The Antikythera Computer (2010)
- The Antiquarian Bookshelf (Fantasy Advertiser, V4 #6, February 1951) (1951)
- The Arts: Books (Omni, July 1980) (1980)
- The Audience Grows Older (1995)
- The Banquet (1976)
- The Best Is Yet to Be ... Right? (1999)
- The Book-Space (1958)
- The Book-Space (1958) with Calvin M. Knox
- The Book-Space (1958) with Calvin M. Knox
- The Book-Space (1958) with Calvin M. Knox
- The Book-Space (Science Fiction Adventures, April 1958) (1958)
- The Book-Space (Science Fiction Adventures, June 1958) (1958)
- The Books of Childhood (1992)
- The Books of Childhood, Continued (1992)
- The Case Against the Antifreeze Bacteria (1988)
- The Case of the Phosphorescent Rabbit (2001)
- The Case of the Radioactive Goat Cheese (1997)
- The Center Does Not Hold (2001)
- The Cleve Cartmill Affair: One (2003)
- The Cleve Cartmill Affair: Two (2003)
- The Concept Seminar (Medea: Harlan's World) (1985) with Thomas M. Disch and Harlan Ellison and Frank Herbert and Theodore Sturgeon
- The Conquest of Space (2003)
- The Cordwainer (2002)
- The Critical Literature of Science Fiction (1970)
- The Curse of Thoth (1991)
- The Dark Tower (1998)
- The Days of Perky Vivienne (2006)
- The Death of Gallium (2008)
- The Dinosaur in the Living Room (1996)
- The Evaporation of Reputations (2001)
- The Fantastic Voyages of Sir John Mandeville (2011)
- The Farmers Daughter (2017)
- The Final Voyage of Odysseus (2002)
- The Fragmented Global Village (1983)
- The Future in Books (Amazing Stories, July 1968) (1968) with Poul Anderson and Leroy Tanner
- The Gay Gene: One (1997)
- The Gay Gene: Two (1994)
- The Gold-Digging Ants of the Lost Plateau (1998)
- The Grand Masters (2000)
- The Great Tradition (1999)
- The Great Whale Hunt (1998)
- The Greatness of Cornelius Drible (2005)
- The Green Flash (1992)
- The Greenhouse Effect: Apocalypse Now or Chicken Little? (1991)
- The Handprints on the Wall (1997)
- The International Language (1996)
- The Jet-Propelled Birdbath (1978)
- The Kensington Stone (1965)
- The Killer and the Blonde (1961) (2017)
- The Kraken (2006)
- The Last Hittite (2017)
- The Last of the Codfish (1995)
- The Literary Career of Robert Silverberg: Current Directions ... and Past Achievements (1988)
- The Little Black Bag: Press Button for Triple Bypass (1987)
- The Long Despair of Doing Nothing Well (1991)
- The Lying Stones of Dr. Beringer (1964)
- The Magic and Mystery of Kong (2005)
- The Making of a Science-Fiction Writer (1987)
- The Man Who Discovered Atlantis (1965)
- The Men in the Moon (1965)
- The Millennium Is Almost Here (1995)
- The Monsters: Don't Forget to Kill Your Wife (1987)
- The Moon Is a Sexy Geisha (1998)
- The More Things Change... (1999)
- The New Prime: Six Plots for the Price of One (1987)
- The New Wave (2001)
- The New Wave (Two) (2001)
- The New Wave: One (2011)
- The New Wave: Two (2011)
- The Oakland Fire (1992)
- The Observatory (Amazing Stories, Fall/Worldcon 2018) (2018)
- The Observatory: Fifty Years Together (1999)
- The Observatory: Yesteryear's Futures (2000)
- The Old Fan's Almanac (1952)
- The Past Is in Front of Us (2000)
- The Perils of Prosperity (1978)
- The Plot Genie (2011)
- The Plurality of Worlds (2013)
- The Plurality of Worlds: A Contrarian View (2014)
- The Power of Words (1995)
- The Power of Words (Part Two) (1996)
- The Power of Words: One (1995)
- The Power of Words: Two (1996)
- The Quality of Pity Is Not Folded (2002)
- The Radish of All Evil (2001)
- The Raft of the Medusa (2013)
- The Realm of Prester John (1996)
- The Reign of the Retired Emperor (2011)
- The Revenge of History (1993)
- The Richard Hakluyt of Space (2015)
- The Riftwar (2003)
- The Riftwar Saga (1998)
- The Ruin (2011)
- The Science Fiction Writer at Work: Thirty Years of Writing (1984)
- The Science Fictionization of Everything (1998)
- The Search for Other Earths (2010)
- The Secret Sharer: An Introduction (2000)
- The Sense of an Ending (1997)
- The Silent Invaders: Introduction (1976)
- The Silverberg Papers (1980)
- The Silverberg Papers (Science Fiction Chronicle #134) (1990)
- The Silverberg Papers (Science Fiction Chronicle #143) (1991)
- The Silverberg Papers (Science Fiction Chronicle #64) (1985)
- The Silverberg Papers (Science Fiction Chronicle #97) (1987)
- The Silverberg Papers (Science Fiction Chronicle #98) (1987)
- The Silverberg Papers 5 (1983)
- The Silverberg Papers Part 2 (1980)
- The Silverberg Papers Part 4 (1982)
- The Silverberg Papers: "The Time of the Great Freeze" Part 1 (1993)
- The Silverberg Papers: My Life in the Fantasy Amateur Press Association (1986)
- The Silverberg Papers: My Life in the Fantasy Amateur Press Association (1986) with Bob Silverberg
- The Silverberg Papers: Part 3 (1980)
- The Silverberg Papers: Traveling Jiant (1991)
- The Silverberg That Was (1977)
- The Sixth Palace (2015)
- The Skald of Science Fiction (2002)
- The Software of Magic (2016)
- The Spectroscope (Amazing Stories, April 1964) (1964)
- The Spectroscope (Amazing Stories, April 1965) (1965)
- The Spectroscope (Amazing Stories, August 1964) (1964)
- The Spectroscope (Amazing Stories, August 1965) (1965)
- The Spectroscope (Amazing Stories, December 1964) (1964)
- The Spectroscope (Amazing Stories, February 1965) (1965)
- The Spectroscope (Amazing Stories, January 1965) (1965)
- The Spectroscope (Amazing Stories, July 1964) (1964)
- The Spectroscope (Amazing Stories, June 1964) (1964)
- The Spectroscope (Amazing Stories, June 1965) (1965)
- The Spectroscope (Amazing Stories, March 1965) (1965)
- The Spectroscope (Amazing Stories, May 1963) (1964)
- The Spectroscope (Amazing Stories, May 1965) (1965)
- The Spectroscope (Amazing Stories, November 1964) (1964)
- The Spectroscope (Amazing Stories, October 1964) (1964)
- The Spectroscope (Amazing Stories, September 1964) (1964)
- The Squid's Elbows (2002)
- The Strange Case of the Patagonian Giants (2011)
- The Sword of Truth (1998)
- The Symphony of Ages (2003)
- The Tales of Alvin Maker (2004)
- The Thumb on the Dinosaur's Nose (2006)
- The Thumb on the Dinosaur's Nose: II (2006)
- The Tough Guy (1961) (2017)
- The Twentieth Century Battery (1996)
- The Ultimate Alien: Introduction (2003)
- The Ultimate Alien: Introduction (2011)
- The View Through Slow Glass (2000)
- The Voyager Photos (1991)
- The Way It Was (Nebula Awards Showcase 2006) (2006)
- The Way the Future Looks: Blade Runner and THX-1138 (1984)
- The Way the Future Looks: THX 1138 and Blade Runner (1984)
- The Wheel Keeps Turning (1999)
- The Wheel of Time (1998)
- The World To End Last Month (2015)
- The Year's Best Science Fiction (2013)
- Theme-Parking the Past (2003)
- Theodore Sturgeon (1985)
- They Write... (1956)
- Thinking About Homer (2016)
- Thirty Years! (2007)
- Thomas the Proclaimer: An Introduction (2000)
- Those Good Old Soft-core days (2011)
- Those Sinister Antifreeze Bacteria Again (1987)
- Three Worlds of Wonder (introduction) (1987)
- To Clone or not to Clone (1998)
- To Live Again: Introduction (1978)
- To Open the Sky: Introduction (1978)
- To a Writer Just Starting Out (1994)
- To much of the rest of the world, America is Science Fiction. (1993)
- To the Reader (Nightfall) (1990) with Isaac Asimov
- Toilet Nirvana (2008)
- Too Many Sequels (1982)
- Too Much Silverberg? (1953)
- Too Much Silverberg? (1953) with Bob Silverberg
- Toward a Theory of Story (2004)
- Toward a Theory of Story: I (2011)
- Toward a Theory of Story: II (2004)
- Toward a Theory of Story: III (2004)
- Tracking Down the Ancestors (2006)
- Translations (2013)
- Translations II (2013)
- Travelers in Time (2011)
- Trilobites (2004)
- Twenty Years! (Writers of the Future Volume XX) (2004)
- Two Cheers for Piltdown Man (2017)
- Two Worldcons, Worlds Apart (2005)
- Voces ancestrales [Spanish] (2004)
- Voorwoord (Dertien Dwaalwegen) [Dutch] (1977)
- Voorwoord (Jokers uit het Heelal) [Dutch] (1977)
- Vorwort (Bruderschaft der Unsterblichen) [German] (1980)
- Vorwort (Das Meer und kleine Fische) [German] (2000)
- Vorwort (Der brennende Mann) [German] (2000)
- Vorwort (Der siebte Schrein) [German] (2000)
- Vorwort (Die Kolonisten Terras) [German] (1981)
- Vorwort (Die Mörder Mohammeds ) [German] (1970)
- Vorwort (Legenden) [German] (2005)
- Vorwort (Noch einmal leben) [German] (1981)
- Vorwort (Öffnet den Himmel) [German] (1981)
- Voyage to the Farside of the Moon (Part 1) (1998)
- Voyage to the Farside of the Moon (Part 2) (1998)
- Warning: Radiation Zone (1997)
- Was Jules Verne a Science Fiction Writer? (2014)
- Was sollte SF dann sein? [German] (1970)
- We Are for the Dark: An Introduction (2000)
- Wer oder was is Tiptree? [German] (2015)
- Wer, was ist Tiptree? [German] (1981)
- What a Writer Needs to Know (1986)
- When Empires End (1992)
- When There Was No Internet (2003)
- Who Is Tiptree, What Is He? (1974)
- Why I Wrote a Sequel After All (1984)
- William Tenn (2011)
- Winner Takes All (1959) (2017)
- World's Fair, 1992: Introduction (2016)
- Worldcon Memories (2013)
- Worlds Apart (2004)
- Writer's Tools (2003)
- Writers of the Future (2009)
- Writers' Correspondence (1982)
- Writing Under the Influence (2016)
- Y2K II: The Disaster Continues... (1999)
- You Don't Own Me (1960) (2017)
- Zalazny: This Immortal (1986)
- Zelazny Appreciation (1995)
- Zie de Onzichtbare Man (voorwoord) [Dutch] (1977)
- [Da ich im Laufe meines langen Lebens ...] [German] (2015)
- [John W. Campbell Appreciation] (1971)
- untitled (The Faces of Science Fiction) (1984)
- A Case of Conscience (1958) by James Blish
- A Checklist of Science Fiction Anthologies (1965) by W. R. Cole
- A Fighting Man of Mars (1965) by Edgar Rice Burroughs
- A Mile Beyond the Moon (1958) by C. M. Kornbluth
- A Mile Beyond the Moon (1958) by C. M. Kornbluth (co-reviewed with Calvin M. Knox )
- A Pail of Air (1965) by Fritz Leiber
- A Princess of Mars (1965) by Edgar Rice Burroughs
- A Scanner Darkly (1977) by Philip K. Dick
- A World Out of Time (1977) by Larry Niven
- Address: Centauri (1958) by F. L. Wallace
- Address: Centauri (1959) by F. L. Wallace (co-reviewed with Calvin M. Knox )
- Alien Dust (1957) by E. C. Tubb
- Alien Dust (1958) by E. C. Tubb (co-reviewed with Calvin M. Knox )
- Almuric (1965) by Robert E. Howard
- Alternate Worlds: The Illustrated History of Science Fiction (1976) by James Gunn
- Analog 2 (1964) by John W. Campbell, Jr.
- Astounding Tales of Space and Time (1965) by John W. Campbell, Jr.
- At the Earth's Core (1965) by Edgar Rice Burroughs
- Atlantida (1965) by Pierre Benoit
- Beyond Bedlam (2015) by Wyman Guin
- Beyond the Barrier (1964) by Damon Knight
- Beyond the Farthest Star (1964) by Edgar Rice Burroughs
- Big Planet (1957) by Jack Vance
- Big Planet (1958) by Jack Vance (co-reviewed with Calvin M. Knox )
- Big Planet (1959) by Jack Vance (co-reviewed with Calvin M. Knox )
- Bio-Futures (1977) by Pamela Sargent
- Children of the Atom (1958) by Wilmar H. Shiras
- Children of the Atom (1958) by Wilmar H. Shiras (co-reviewed with Calvin M. Knox )
- City (1959) by Clifford D. Simak
- City (1959) by Clifford D. Simak (co-reviewed with Calvin M. Knox )
- City Under the Sea (1957) by Kenneth Bulmer
- City Under the Sea (1957) by Kenneth Bulmer (co-reviewed with Calvin M. Knox )
- Convention Annual No. 3. Discon edition (1965) by Jay Kay Klein
- Cosmic Engineers (1965) by Clifford D. Simak
- Darkness and Dawn (1965) by George Allan England
- Deadly Image (1958) by Edmund Cooper
- Desertion (2018) by Clifford D. Simak
- Destination, Infinity (1959) by Henry Kuttner
- Destination: Infinity (1959) by Henry Kuttner (co-reviewed with Calvin M. Knox )
- Doctor Mirabilis (1965) by James Blish
- Doctor to the Stars (1964) by Murray Leinster
- Doomsday Morning (1957) by C. L. Moore
- Doomsday Morning (1957) by C. L. Moore (co-reviewed with Calvin M. Knox )
- Double Star (1957) by Robert A. Heinlein
- Double Star (1957) by Robert A. Heinlein (co-reviewed with Calvin M. Knox )
- Early del Rey (1975) by Lester del Rey
- Earthman, Come Home (1959) by James Blish
- Earthman, Come Home (1959) by James Blish (co-reviewed with Calvin M. Knox )
- Escape on Venus (1964) by Edgar Rice Burroughs
- Fire in the Heavens (1959) by George O. Smith
- Fire in the Heavens (1959) by George O. Smith (co-reviewed with Calvin M. Knox )
- Five Galaxy Short Novels (1958) by H. L. Gold
- Five Galaxy Short Novels (1959) by H. L. Gold (co-reviewed with Calvin M. Knox )
- Future Imperfect (1964) by James Gunn
- Galaxies (1976) by Barry N. Malzberg
- Ghost and Horror Stories of Ambrose Bierce (1965) by Ambrose Bierce
- Golden Blood (1965) by Jack Williamson
- Grumbles from the Grave (1989) by Robert A. Heinlein
- Index to the Science Fiction Magazines (1965) by Al Lewis
- Lost in Space (1959) by George O. Smith
- Lost in Space (1959) by George O. Smith (co-reviewed with Calvin M. Knox )
- Lost on Venus (1965) by Edgar Rice Burroughs
- Man of Earth (1958) by Algis Budrys
- Man of Earth (1958) by Algis Budrys (co-reviewed with Calvin M. Knox )
- Man of Two Worlds (1964) by Raymond F. Jones
- Men on the Moon (1958) by Donald A. Wollheim
- Men on the Moon (1958) by Donald A. Wollheim (co-reviewed with Calvin M. Knox )
- Methusaleh's Children (1959) by Robert A. Heinlein
- Methuselah's Children (1959) by Robert A. Heinlein (co-reviewed with Calvin M. Knox )
- No Blade of Grass (1958) by John Christopher
- No Blade of Grass (1959) by John Christopher (co-reviewed with Calvin M. Knox )
- No Place on Earth (1958) by Louis Charbonneau
- No Place on Earth (1959) by Louis Charbonneau (co-reviewed with Calvin M. Knox )
- Occam's Razor (1957) by David Duncan
- Occam's Razor (1957) by David Duncan (co-reviewed with Calvin M. Knox )
- Orphans of the Sky (1964) by Robert A. Heinlein
- Out of This World (1958) by Murray Leinster
- Out of This World (1958) by Murray Leinster (co-reviewed with Calvin M. Knox )
- Pellucidar (1965) by Edgar Rice Burroughs
- Pilgrimage to Earth (1957) by Robert Sheckley
- Pilgrimage to Earth (1965) by Robert Sheckley
- Pilgrimage to Earth (1957) by Robert Sheckley (co-reviewed with Calvin M. Knox )
- Pirates of Venus (1965) by Edgar Rice Burroughs
- Quicksand (1968) by John Brunner
- Ralph 124C41+ (1958) by Hugo Gernsback
- Ralph 124C41+ (1959) by Hugo Gernsback (co-reviewed with Calvin M. Knox )
- Robots and Changelings (1957) by Lester del Rey
- Robots and Changelings (1957) by Lester del Rey (co-reviewed with Calvin M. Knox )
- Rocannon's World (1977) by Ursula K. Le Guin
- Rogue Moon (1965) by Algis Budrys
- Rogue in Space (1957) by Fredric Brown
- Rogue in Space (1957) by Fredric Brown (co-reviewed with Calvin M. Knox )
- Sargasso of Space (1957) by Andrew North
- Sargasso of Space (1957) by Andrew North (co-reviewed with Calvin M. Knox )
- Satellite E One (1958) by Jeffery Lloyd Castle
- Satellite E One (1959) by Jeffery Lloyd Castle (co-reviewed with Calvin M. Knox )
- Satellites, Rockets and Outer Space (1959) by Willy Ley
- Satellites, Rockets and Outer Space (1959) by Willy Ley (co-reviewed with Calvin M. Knox )
- Science Fiction of the 30's (1977) by Damon Knight
- Second Foundation (1958) by Isaac Asimov
- Second Variety (2015) by Philip K. Dick
- Sinister Barrier (1965) by Eric Frank Russell
- Skylark Three (1964) by E. E. Smith
- Slaves of the Klau (1959) by Jack Vance
- Slaves of the Klau (1959) by Jack Vance (co-reviewed with Calvin M. Knox )
- Solar Lottery (1977) by Philip K. Dick
- Son of the Tree / The Houses of Iszm (1964) by Jack Vance
- Star (Psi Cassiopeia) (2015) by C. I. Defontenay
- Star Ways (1957) by Poul Anderson
- Star Ways (1957) by Poul Anderson (co-reviewed with Calvin M. Knox )
- Starburst (1958) by Alfred Bester
- Starswarm (1964) by Brian Aldiss
- Sturgeon in Orbit (1964) by Theodore Sturgeon
- Sword of the Demon (1977) by Richard A. Lupoff
- Tales of Three Planets (1964) by Edgar Rice Burroughs
- Tanar of Pellucidar (1965) by Edgar Rice Burroughs
- The Astounding Science Fiction Anthology (1964) by John W. Campbell, Jr.
- The Best Ghost Stories of J. S. Le Fanu (1965) by Joseph Sheridan Le Fanu
- The Best from Fantasy and Science Fiction: Ninth Series (1964) by Robert P. Mills
- The Best of Philip K. Dick (1977) by Philip K. Dick
- The Blind Spot (1965) by Austin Hall and Homer Eon Flint
- The Blue Barbarians (1959) by Stanton A. Coblentz
- The Blue Barbarians (1959) by Stanton A. Coblentz (co-reviewed with Calvin M. Knox )
- The Cave Girl (1964) by Edgar Rice Burroughs
- The Challenge of the Planetoids (1965) by Dandridge M. Cole and Donald W. Cox
- The Colour Out of Space and Others (1964) by H. P. Lovecraft
- The Computer Connection (1976) by Alfred Bester
- The Cosmic Puppets (1958) by Philip K. Dick
- The Cosmic Puppets (1958) by Philip K. Dick (co-reviewed with Calvin M. Knox )
- The Cosmic Rape (1959) by Theodore Sturgeon
- The Cosmic Rape (1959) by Theodore Sturgeon (co-reviewed with Calvin M. Knox )
- The Dark Light Years (1965) by Brian W. Aldiss
- The Dark Side of the Earth (1964) by Alfred Bester
- The Day of the Triffids (1965) by John Wyndham
- The Day the World Ended (1965) by Sax Rohmer
- The Dream Adventure: A Literary Anthology (1965) by Roger Caillois
- The Earth Again Redeemed (1977) by Martin Green
- The Eternal Adam (2015) by Jules Verne
- The First Men in the Moon (1965) by H. G. Wells
- The Game-Players of Titan (1964) by Philip K. Dick
- The Graveyard Reader (1958) by Groff Conklin
- The Infinite Brain (1957) by Charles Long
- The Infinite Brain (1958) by Charles Long (co-reviewed with Calvin M. Knox )
- The Infinity Box (1976) by Kate Wilhelm
- The Inverted World (1976) by Christopher Priest
- The Island of Doctor Moreau (2018) by H. G. Wells
- The Island of Dr. Moreau (1964) by H. G. Wells
- The Last Celt: A Bio-Bibliography of Robert Ervin Howard (1977) by Glenn Lord
- The Light Fantastic (1977) by Alfred Bester
- The Man in the High Castle (1964) by Philip K. Dick
- The Midwich Cuckoos (1959) by John Wyndham
- The Midwich Cuckoos (1959) by John Wyndham (co-reviewed with Calvin M. Knox )
- The Moon People (1964) by Stanton A. Coblentz
- The October Country (1965) by Ray Bradbury
- The Odyssey (2018) by Homer
- The Penultimate Truth (1965) by Philip K. Dick
- The Person from Porlock (2016) by Raymond F. Jones
- The Planet Buyer (1965) by Cordwainer Smith
- The Prince of Peril (1964) by Otis Adelbert Kline
- The Puppet Masters (1959) by Robert A. Heinlein
- The Puppet Masters (1959) by Robert A. Heinlein (co-reviewed with Calvin M. Knox )
- The Radio Beasts (1965) by Ralph Milne Farley
- The Reign of Wizardry (1965) by Jack Williamson
- The Rest of the Robots (1965) by Isaac Asimov
- The Revenger's Tragedy (2005) by Cyril Tourneur
- The Seedling Stars (1958) by James Blish
- The Seventh Galaxy Reader (1964) by Frederik Pohl
- The Skylark of Space (1958) by Edward E. Smith
- The Sound of Panting (2014) by Isaac Asimov
- The Space Egg (1958) by Russ Winterbotham
- The Space Egg (1958) by Russ Winterbotham (co-reviewed with Calvin M. Knox )
- The Spot of Life (1965) by Austin Hall
- The Star King (1964) by Jack Vance
- The Survivors (1958) by Tom Godwin
- The Syndic (1965) by Cyril Kornbluth
- The Synthetic Man (1965) by Theodore Sturgeon
- The Third Galaxy Reader (1959) by H. L. Gold
- The Third Galaxy Reader (1959) by H. L. Gold (co-reviewed with Calvin M. Knox )
- The Third Level (1959) by Jack Finney
- The Third Level (1959) by Jack Finney (co-reviewed with Calvin M. Knox )
- The Three Mulla-Mulgars (2016) by Walter de la Mare
- The Time Dissolver (1957) by Jerry Sohl
- The Time Dissolver (1957) by Jerry Sohl (co-reviewed with Calvin M. Knox )
- The Time Machine (1965) by H. G. Wells
- The Tower of Zanid (1958) by L. Sprague de Camp
- The Tower of Zanid (1958) by L. Sprague de Camp (co-reviewed with Calvin M. Knox )
- The Unknown Five (1964) by D. R. Bensen
- The Variable Man and Other Stories (1957) by Philip K. Dick
- The Variable Man and Other Stories (1957) by Philip K. Dick (co-reviewed with Calvin M. Knox )
- The Wanderer (1964) by Fritz Leiber
- The War in the Air, In the Days of the Comet, and The Food of the Gods (1965) by H. G. Wells
- The War of the Worlds (1965) by H. G. Wells
- The Well of the Unicorn (2018) by Fletcher Pratt
- The World Below (2014) by S. Fowler Wright
- The World of Null-A (1965) by A. E. van Vogt
- The Worlds of Robert F. Young (1965) by Robert F. Young
- Three Science Fiction Novels (1965) by John Taine
- Three Times Infinity (1958) by Leo Margulies
- Three Times Infinity (1958) by Leo Margulies (co-reviewed with Calvin M. Knox )
- Time and Stars (1964) by Poul Anderson
- Tomorrow X 4 (1965) by Damon Knight
- Twice in Time (1957) by Manly Wade Wellman
- Twice in Time (1958) by Manly Wade Wellman (co-reviewed with Calvin M. Knox )
- Two Complete Novels (1965) by Theodore Sturgeon
- Undersea City (1959) by Frederik Pohl and Jack Williamson
- Undersea City (1959) by Frederik Pohl and Jack Williamson (co-reviewed with Calvin M. Knox )
- VOR (1958) by James Blish
- Valley of the Flame (1965) by Henry Kuttner
- View from Another Shore (1974) by Franz Rottensteiner
- Virgin Planet (1959) by Poul Anderson
- Virgin Planet (1959) by Poul Anderson (co-reviewed with Calvin M. Knox )
- Voyage to the Bottom of the Sea (1965) by Theodore Sturgeon
- Waldo: Genius in Orbit (1959) by Robert A. Heinlein
- Waldo: Genius in Orbit (1959) by Robert A. Heinlein (co-reviewed with Calvin M. Knox )
- Wasp (1957) by Eric Frank Russell
- Wasp (1957) by Eric Frank Russell (co-reviewed with Calvin M. Knox )
- Weird Tales (1965) by Leo Margulies
- Who Fears the Devil? (1965) by Manly Wade Wellman
- Who? (1958) by Algis Budrys
- Worlds Apart (1958) by J. T. McIntosh
- Worlds of Weird (1965) by Leo Margulies
- Yonder (1958) by Charles Beaumont
- "I Keep Coming Back!" (1991) by Stan Nicholls
- A Conversation Between Lawrence Block & Robert Silverberg (2011) by uncredited (co-interviewed with Lawrence Block )
- A Writer for All Seasons: Lucy Sussex interviews Robert Silverberg (2002) by Lucy Sussex
- An Interview with Robert Silverberg (1973) by Paul Turner
- An Interview with Robert Silverberg (1988) by Tamiko Toland
- Author Spotlight: Robert Silverberg (2012) by John Nakamura Remy
- Author Spotlight: Robert Silverberg (2013) by Kevin McNeil
- Author Spotlight: Robert Silverberg (2013) by Moshe Siegel
- Both Sides of the Desk (2013) by James Patrick Kelly (co-interviewed with Gardner Dozois and Jeff VanderMeer )
- Editors, Unedited (2014) by James Patrick Kelly (co-interviewed with Gardner Dozois and Jeff VanderMeer )
- InterGalactic Interview with Robert Silverberg (2011) by Darrell Schweitzer
- Interview de Robert Silverberg [French] (2012) by Eric Holstein
- Interview: Robert Silverberg (2000) by David Horwich
- Interview: Robert Silverberg (1983) by Melissa Mia Hall
- Le déserteur intemporel [French] (1999) by Jean-Daniel Brèque
- Robert Silverberg (1980) by Charles Platt
- Robert Silverberg Talks to Chris Fowler (1976) by Christopher Fowler (Vector)
- Robert Silverberg: An Interview (1976) by Malcolm Edwards
- Robert Silverberg: Call Me an SF Writer (1990) by uncredited
- Robert Silverberg: Farewell to the Future (1996) by uncredited
- Robert Silverberg: Interview (1971) by Paul Walker
- Robert Silverberg: Interview (1974) by Darrell Schweitzer
- Robert Silverberg: Keeps Coming Back (1993) by Stan Nicholls
- Robert Silverberg: Next Stop - Lord Valentine's Castle (1979) by Jeffrey M. Elliot
- Robert Silverberg: One Word at a Time (2004) by Robert Silverberg
- Robert Silverberg: Up, Up and Away (1985) by uncredited
- StarShipSofa Interrogations: Robert Silverberg (2010) by Tony C. Smith
- The Amazing Interview: Robert Silverberg (1976) by Darrell Schweitzer
- The Galaxy's Edge Interview (Galaxy's Edge Magazine, Issue 24, January 2017) (2017) by Joy Ward
- Un entretien avec Robert Silverberg [French] (2015) by uncredited
- Une escale à Paris [French] (1996) by Henri Lœvenbruck
Non-Genre Titles
Novels
- And When She Was Bad (1961) with Loren Beauchamp
- Another Night, Another Love (1959)
- Another Night, Another Love (1959) with Loren Beauchamp
- Blood on the Mink (2012)
- Campus Love Club (1959)
- Campus Love Club (1959) with David Challon
- Campus Sex Club (1962) with Loren Beauchamp
- Connie (1959)
- Connie (1959) with Loren Beauchamp
- Free Sample (1968) with Loren Beauchamp
- Gang Girl (1959)
- Gang Girl (1959) with Don Elliott
- Lord of Darkness (1983)
- Love Nest (1958)
- Love Nest (1958) with Loren Beauchamp
- Lust Queen (1961)
- Lust Queen (1961) with Don Elliott
- Lust Victim (1962)
- Lust Victim (1962) with Don Elliott
- Meg (1960)
- Meg (1960) with Loren Beauchamp
- Nurse Carolyn (1960)
- Nurse Carolyn (1960) with Loren Beauchamp
- Registered Nympho (1967) with Don Elliott
- Sex Bum (1963)
- Sex Bum (1963) with Don Elliott
- Sin a la Carte (1962) with Loren Beauchamp
- Sin on Wheels (1961)
- Sin on Wheels (1961) with Loren Beauchamp
- Strange Delights (1962)
- Strange Delights (1962) with Loren Beauchamp
- Suburban Sin Club (1959)
- Suburban Sin Club (1959) with David Challon
- The Bra Peddlers (1961)
- The Bra Peddlers (1961) with John Dexter
- The Fires Within (1961)
- The Fires Within (1961) with Loren Beauchamp
- The Lecher (1960)
- The Lecher (1960) with Don Elliott
- The Mask of Akhnaten (1965)
- The Wife Traders (1962) with Loren Beauchamp
- Too Much Blood on the Mink (1962) with Ray McKensie
- Unwilling Sinner (1959)
- Unwilling Sinner (1959) with Loren Beauchamp
- Wayward Widow (1962)
- Wayward Widow (1962) with Loren Beauchamp
- Campus Hellcat (1960)
- Campus Hellcat (1960) with David Challon
- Illicit Affair and Other Stories of Flaming Passion and Violent Death (1961)
- Illicit Affair and Other Stories of Flaming Passion and Violent Death (1961) with Mark Ryan (I)
- Rough Trade (2017)
- Blood on the Mink (2012) [O]
- Gang Girl / Sex Bum (2011) [O]
- Gang Girl / Sex Bum (2011) [O] with Don Elliott
- Lust Queen / Lust Victim (2014) [O]
- Lust Queen / Lust Victim (2014) [O] with Don Elliott
- Empires in the Dust: Ancient Civilizations Brought to Light (1963)
- Home of the Red Man: Indian North America Before Columbus (1973)
- Lost Cities and Vanished Civilizations (1962)
- Mammoths, Mastodons and Man (1970)
- Men Against Time: Salvage Archaeology in the United States (1967)
- Philosopher of Evil (1962)
- Philosopher of Evil (1962) with Walter Drummond
- Sunken History: The Story of Underwater Archaeology (1963)
- The Auk, the Dodo and the Oryx (1967)
- The Golden Dream: Seekers of El Dorado (1996)
- The Longest Voyage (1972)
- Treasures Beneath the Sea (1960)
- A Slob Can Hate! (1959)
- Big Boy (1959)
- Bride of the Jaguar God (1960)
- Bride of the Jaguar God (1960) with David Challon
- Campus Hellcat (1960)
- Campus Hellcat (1960) with David Challon
- Clinging Vine (1960)
- Clinging Vine (1960) with David Challon
- Dangerous Doll (1960)
- Death of a Gambler (1961)
- Deathtrap of Desire (1960)
- Deathtrap of Desire (1960) with David Challon
- Doublecrosser's Daughter (1961)
- Doublecrosser's Daughter (1961) with Mark Ryan (I)
- Get Out and Stay Out (1957)
- Girl in the Thunderbird (1960)
- Hot Heiress (1958)
- I Can't Die Now (1961)
- I Don't Want No Trouble (1961)
- Illicit Affair (1961)
- Illicit Affair (1961) with Mark Ryan (I)
- Island of Exiled Women (1961)
- Island of Exiled Women (1961) with Mark Ryan (I)
- It's Always Night (1957)
- It's a Tough World (1961)
- Jailbait (1960)
- Jailbait (1960) with David Challon
- Joyride to Hell (1959)
- Keep Away from My Daughter (1959)
- Kill and Run (1960)
- Kill and Run (1960) with David Challon
- Lost Isle of Women (1960)
- Lost Isle of Women (1960) with David Challon
- Love-Hungry Diving Girls (1961)
- Love-Hungry Diving Girls (1961) with Mark Ryan (I)
- Mobster on the Make (1958)
- Mousetrapped (1958)
- Muderous Safari (1960)
- Muderous Safari (1960) with David Challon
- One Girl Too Many (1960)
- One Girl Too Many (1960) with David Challon
- One Night of Violence (1959)
- Party Girl (1961)
- Party Girl (1961) with Mark Ryan (I)
- Play It Cool (1960)
- Psycho Killer (1961)
- Psycho Killer (1961) with Mark Ryan (I)
- Russian Roulette (1958)
- See You in Hell (1961)
- See You in Hell (1961) with Mark Ryan (I)
- Someone Is Watching You (1958)
- Teedaw's Revenge (2017)
- The Cool Cats (1960)
- The Cool Cats (1960) with David Challon
- The Farmers Daughter (1961)
- The Girl in the Moon (1961)
- The Girl in the Moon (1961) with Mark Ryan (I)
- The Killer and the Blonde (1961)
- The Killer and the Blonde (9.46) (2017)
- The Man on the Outside (1961)
- The Man on the Outside (1961) with Mark Ryan (I)
- The Spoiled Brat (1960)
- The Spoiled Brat (1960) with David Challon
- The Sunbather (1961)
- The Sunbather (1961) with Mark Ryan (I)
- The Tough Guy (1961)
- Too Lovely to Live (1961)
- Too Lovely to Live (1961) with Mark Ryan (I)
- Winner Takes All (1959)
- You Don't Own Me (1960)