Note: There are other authors with the same name: L. Sprague de Camp (in error)

Author: L. Sprague de Camp Author Record # 18 Legal Name: de Camp, Lyon Sprague Birthplace: New York City, New York, USA Birthdate: 27 November 1907 Deathdate: 6 November 2000 Language: English Webpages: SFE, Wikipedia-EN Used These Alternate Names: Abdul Alhazred, Sprague de Camp, Lyon Sprague de Camp, L. S. de Camp, de Camp, L. Sarcophagus de Camp, L・スプレイグ・ディ・キャンプ?L. Supureigu Di Kyanpu , Л. Спрэг де Камп?L. Spreg de Kamp , Лайон Спрэг де Камп?Layon Spreg de Kamp Lyon Sprague de Camp , Л. Спрег де Камп?L. Spreg de Kamp , Л. Спраг де Камп?L. Sprag de Kamp , Л. Спрейг де Камп?L. Spreyg de Kamp , Lyman R. Lyon, Л. Спрег Де Камп?L. Spreg De Kamp , Л. Спрейг?L. Spreyg , J. Wellington Wells Additional Bibliographic Comments: Author:L. Sprague de Camp Author Tags: science fiction (27), fantasy (22), NESFA Core Reading List (13), time travel (8), unknown worlds (5), Fantasy: The 100 Best Books (3), aliens (3), Appendix N (3), Anatomy of Wonder 1 Core Collection (3), alternate history (3), 1950 (2), magic (2), X Minus 1 (2), sword and sorcery (2), H. P. Lovecraft (2), linguistics (1), obit (1), North Carolina (1), robots (1), Merril02 (1) and 59 additional tags. View all tags for L. Sprague de Camp

• None But Lucifer (1939) with H. L. Gold [only as by L. Sprague de Camp and Horace L. Gold]
  • Serializations:
  • None But Lucifer (Complete Novel) (1939)
  • None But Lucifer (Part 1 of 3) (1994) [as by L. Sprague de Camp and Horace L. Gold]
  • None But Lucifer (Part 2 of 3) (1994) [as by L. Sprague de Camp and Horace L. Gold]
  • None But Lucifer (Part 3 of 3) (1994)
• Lest Darkness Fall (1941) also appeared as:
  • Serializations:
  • Lest Darkness Fall (Complete Novel) (1939)
  • Lest Darkness Fall (Part 1 of 5) (2014)
  • Lest Darkness Fall (Part 2 of 5) (2014)
  • Lest Darkness Fall (Part 3 of 5) (2014)
  • Lest Darkness Fall (Part 4 of 5) (2014)
  • Lest Darkness Fall (Part 5 of 5) (2014)
• The Incomplete Enchanter (1941) with Fletcher Pratt also appeared as:
  • Variant: The Incompleat Enchanter (1979)
• The Land of Unreason (1942) with Fletcher Pratt also appeared as:
  • Variant: Land of Unreason (1942)
  • Serializations:
  • The Land of Unreason (Complete Novel) (1941)
• Solomon's Stone (1942) also appeared as:
  • Serializations:
  • Solomon's Stone (Complete Novel) (1942)
• The Carnelian Cube (1948) with Fletcher Pratt
• The Queen of Zamba (1949) also appeared as:
  • Variant: Cosmic Manhunt (1954)
  • Variant: A Planet Called Krishna (1966)
  • Serializations:
  • The Queen of Zamba (Part 1 of 2) (1949)
  • The Queen of Zamba (Part 2 of 2) (1949)
• Genus Homo (1950) with P. Schuyler Miller also appeared as:
  • Serializations:
  • Genus Homo (Complete Novel) (1941)
• The Castle of Iron (1950) with Fletcher Pratt
• Rogue Queen (1951)
• The Tritonian Ring (1951) also appeared as:
  • Serializations:
  • The Tritonian Ring (Complete Novel) (1951)
• The Undesired Princess (1951) also appeared as:
  • Serializations:
  • The Undesired Princess (Complete Novel) (1942)
• The Return of Conan (1957) with Björn Nyberg
• An Elephant for Aristotle (1958)
• The Tower of Zanid (1958) also appeared as:
  • Serializations:
  • The Tower of Zanid (Part 1 of 4) (1958)
  • The Tower of Zanid (Part 2 of 4) (1958)
  • The Tower of Zanid (Part 3 of 4) (1958)
  • The Tower of Zanid (Part 4 of 4) (1958)
• The Glory That Was (1960) also appeared as:
  • Serializations:
  • The Glory That Was (Complete Novel) (1952)
• The Search for Zei (1962) also appeared as:
  • Variant: The Floating Continent (1966)
• The Hand of Zei (1963) also appeared as:
  • Serializations:
  • The Hand of Zei (Part 1 of 4) (1950)
  • The Hand of Zei (Part 2 of 4) (1950)
  • The Hand of Zei (Part 3 of 4) (1950)
  • The Hand of Zei (Part 4 of 4) (1951)
• Conan of the Isles (1968) with Lin Carter
• The Goblin Tower (1968)
• Conan the Buccaneer (1971) with Lin Carter
• The Clocks of Iraz (1971)
• Al Azif (1973) with Bob Dills and Frank Halpern and J. B. Post and George H. Scithers [only as by Abdul Alhazred]
• The Fallible Fiend (1973) also appeared as:
  • Serializations:
  • The Fallible Fiend (Part 1 of 2) (1972)
  • The Fallible Fiend (Part 2 of 2) (1973)
• The Hostage of Zir (1977)
• The Great Fetish (1978)
• Conan the Liberator (1979) with Lin Carter
• The Treasure of Tranicos (1980) with Robert E. Howard
• Conan and the Spider God (1980)
• Conan: The Flame Knife (1981) with Robert E. Howard
• The Prisoner of Zhamanak (1982)
• Conan the Barbarian (1982) with Lin Carter
• The Bones of Zora (1983) with Catherine Crook de Camp
• The Unbeheaded King (1983)
• The Incorporated Knight (1987) with Catherine Crook de Camp
• The Stones of Nomuru (1988) with Catherine Crook de Camp
• The Honorable Barbarian (1989)
• The Swords of Zinjaban (1991) with Catherine Crook de Camp
• The Pixilated Peeress (1991) with Catherine Crook de Camp
• The Venom Trees of Sunga (1992)

• Divide and Rule (1948)
• The Wheels of If (1949)
• The Undesired Princess (1951)
• Sprague de Camp's New Anthology (1953)
• Tales from Gavagan's Bar (1953) with Fletcher Pratt
• The Continent Makers and Other Tales of the Viagens (1953)
• The Tritonian Ring and Other Pusadian Tales (1953)
• Tales of Conan (1955) with Robert E. Howard
• Wall of Serpents (1960) with Fletcher Pratt also appeared as:
  • Variant: The Enchanter Compleated (1980)
• A Gun for Dinosaur and Other Imaginative Tales (1963)
• Conan the Adventurer (1966) with Robert E. Howard
• Conan the Usurper (1967) with Robert E. Howard
• Conan the Freebooter (1968) with Robert E. Howard
• Demons and Dinosaurs (1970)
• The Reluctant Shaman and Other Fantastic Tales (1970)
• Phantoms & Fancies (1972)
• Scribblings (1972)
• The Compleat Enchanter (1975) with Fletcher Pratt
• The Virgin & The Wheels (1976)
• The Queen of Zamba (1977)
• Conan of Aquilonia (1977) with Lin Carter
• Die Chronik von Poseidonis [German] (1978)
• The Best of L. Sprague de Camp (1978)
• Conan the Swordsman (1978) with Lin Carter and Björn Nyberg
• The Purple Pterodactyls (1979)
• Footprints on Sand (1981) with Catherine Crook de Camp
• Heroes and Hobgoblins (1981)
• Die Mauer der Schlangen & Der grüne Magier [German] (1982) with Fletcher Pratt [only as by Lyon Sprague de Camp and Fletcher Pratt]
• Rivers of Time (1993)
• Aristotle and the Gun and Other Stories (2002)
• Years in the Making: The Time-Travel Stories of L. Sprague de Camp (2005)
• The Mathematics of Magic: The Enchanter Stories of de Camp and Pratt (2007) with Fletcher Pratt

• Cosmic Manhunt / Ring Around the Sun (1954) [O/2N] with Clifford D. Simak
• The Hand of Zei / The Search for Zei (1963) [O/2,3]
• Il castello d'acciaio [Italian] (1975) [O] with Fletcher Pratt
• The Hand of Zei (1982) [O/2,3]
• The Virgin of Zesh & The Tower of Zanid (1983) [O/5,6]
• The Reluctant King (1985) [O/1-3]
• The Intrepid Enchanter: The Complete Magical Misadventures of Harold Shea (1988) [O] with Fletcher Pratt also appeared as:
  • Variant: The Complete Compleat Enchanter (1989) [O]
  • Variant: The Compleat Enchanter (2000) [O]
• The Conan Chronicles (1989) [O/1,2,3] with Lin Carter and Robert E. Howard
• Divide and Rule / The Sword of Rhiannon (1990) [O] with Leigh Brackett
• The Undesired Princess & The Enchanted Bunny (1990) [O] with David Drake
• The Conan Chronicles 2 (1990) [O/4,5,6] with Lin Carter and Robert E. Howard
• Башня Занида^?Bashnya Zanida
  [Russian] (1996) [O] with Robert Silverberg and Stefan Wul [only as by
  Л. Спрег де Камп^?L. Spreg de Kamp
  and
  Роберт Силверберг^?Robert Silverberg
  and
  Стефан Вул^?Stefan Vul
  ]
• Sagas of Conan (2004) [O/3N] with Lin Carter and Björn Nyberg
• La saga de Zeï [French] (2009) [O/1,3,+SF] [only as by Lyon Sprague de Camp]
• Lest Darkness Fall / Rogue Queen / The Tritonian Ring and Other Pusadian Tales (2014) [O]
• Novaria, le roi malgré lui - intégrale [French] (2017) [O]

• Swords and Sorcery: Stories of Heroic Fantasy (1963)
• The Spell of Seven (1965)
• Conan (1967) with Lin Carter and Robert E. Howard
• The Fantastic Swordsmen (1967)
• Conan the Avenger (1968) with Robert E. Howard and Björn Nyberg
• Conan the Wanderer (1968) with Lin Carter and Robert E. Howard
• Conan of Cimmeria (1969) with Lin Carter and Robert E. Howard
• Warlocks and Warriors (1970)
• 3000 Years of Fantasy and Science Fiction (1972) with Catherine Crook de Camp
• The Conan Grimoire (1972) with George H. Scithers
• Tales Beyond Time (1973) with Catherine Crook de Camp
• The Pugnacious Peacemaker / The Wheels of If (1990) with Harry Turtledove
• The Enchanter Reborn (1992) with Christopher Stasheff
• The Exotic Enchanter (1995) with Christopher Stasheff
• Lest Darkness Fall / To Bring the Light (1996) with David Drake
• Down in the Bottomlands and Other Places (1999) with Harry Turtledove
• Kletba monolitu [Czech] (2004) with Lin Carter and Robert E. Howard

• Im Bann der Mathe-Magie [German] (1974) with Fletcher Pratt
• An den Feuern des Nordens [German] (1981) with Fletcher Pratt [only as by Lyon Sprague de Camp and Fletcher Pratt]
• Die Kunst der Mathemagie [German] (1981) with Fletcher Pratt [only as by Lyon Sprague de Camp and Fletcher Pratt]
• Die Jungfrau von Zesh [German] (1984)
• Sir Harold and the Gnome King (1991)
• Divide and Rule (2003)
• The Virgin of Zesh (2011)
• Aristotle and the Gun (2013)

• Inventions and Their Management (1937) with Alf K. Berle
• Lands Beyond (1952) with Willy Ley
• Science-Fiction Handbook (1953) with Catherine Crook de Camp also appeared as:
  • Variant: Science-Fiction Handbook (1953) [as by L. Sprague de Camp]
  • Variant: Science-Fiction Handbook, Revised: A Guide to Writing Imaginative Literature (1975)
• Lost Continents: The Atlantis Theme in History, Science, and Literature (1954) also appeared as:
  • Variant: Lost Continents: The Atlantis Theme (1975)
• Man and Power (1961)
• The Heroic Age of American Invention (1961)
• Spirits, Stars and Spells (1966) with Catherine Crook de Camp [only as by Catherine C. de Camp and L. Sprague de Camp]
• The Story of Science in America (1967) with Catherine Crook de Camp [only as by Catherine C. de Camp and L. Sprague de Camp]
• The Conan Reader (1968)
• The Day of the Dinosaur (1968) with Catherine Crook de Camp
• The Great Monkey Trial (1968)
• The Conan Swordbook (1969) with George H. Scithers
• Blond Barbarians & Noble Savages (1975)
• Lovecraft: A Biography (1975) also appeared as:
  • Variant: H.P. Lovecraft: A Biography (1996)
• The Miscast Barbarian (1975)
• Literary Swordsmen and Sorcerers (1976)
• The Blade of Conan (1979)
• The Ragged Edge of Science (1980)
• The Spell of Conan (1980)
• Dark Valley Destiny: The Life of Robert E. Howard (1983) with Catherine Crook de Camp and Jane Whittington Griffin
• The Fringe of the Unknown (1983)
• The Ape-Man Within (1995)
• Rubber Dinosaurs and Wooden Elephants: Essays on Literature, Film, and History (1996)
• Time & Chance: An Autobiography (1996) also appeared as:
  • Variant: Time and Chance: An Autobiography (2011)

• The Isolinguals (1937)
• Hyperpelosity (1938) also appeared as:
  • Variant: Hyperpilosity (1938)
• The Command (1938)
• The Merman (1938)
• The Hairless Ones Come (1939)
• The Incorrigible (1939)
• Living Fossil (1939)
• Ananias (1939)
• Divide and Rule (1939) also appeared as:
  • Serializations:
  • "Divide and Rule!" (Part 1 of 2) (1939)
  • Divide and Rule! (Part 2 of 2) (1939)
• Employment (1939) [also as by Lyman R. Lyon]
• The Gnarly Man (1939)
• Nothing in the Rules (1939)
• The Blue Giraffe (1939)
• Retirement (1940)
• The Emancipated (1940)
• Juice (1940)
• The Roaring Trumpet (1940) with Fletcher Pratt
• The Mathematics of Magic (1940) with Fletcher Pratt
• Inverse Variations (1940)
• The Hardwood Pile (1940)
• The Warrior Race (1940)
• The Wheels of If (1940)
• Asokore Power (1940)
• The Exalted (1940) also appeared as:
  • Variant: The Exhalted (1940)
• The Stolen Dormouse (1941) also appeared as:
  • Serializations:
  • The Stolen Dormouse (Part 1 of 2) (1941)
  • The Stolen Dormouse (Part 2 of 2) (1941)
• The Best-Laid Scheme (1941) also appeared as:
  • Variant: The Best Laid Scheme (1941)
• The Castle of Iron (1941) with Fletcher Pratt
• Invaders from Nowhere (1941)
• The Last Drop (1941) with L. Ron Hubbard [also as by L. Ron Hubbard]
• Mr. Arson (1941)
• The Incomplete Enchanter (excerpt) (1942) with Fletcher Pratt
• Some Curious Effects of Time Travel (1942) also appeared as:
  • Variant: The Effects of Time Travel (1942)
• The Contraband Cow (1942)
• The Anecdote of the Negative Wugug (1942) also appeared as:
  • Variant: The Negative Wugug (1942)
• The Wisdom of the East (1942)
• The Anecdote of the Movable Ears (1943) also appeared as:
  • Variant: Movable Ears (1943)
• The Ghosts of Melvin Pye (1946)
• The Reluctant Shaman (1947)
• Throwback (1949)
• The Animal-Cracker Plot (1949)
• The Hibited Man (1949)
• Finished (1949)
• The Colorful Character (1949)
• Elephas Frumenti (1950) with Fletcher Pratt
• The Gift of God (1950) with Fletcher Pratt
• Gavagan's Bar (1950) with Fletcher Pratt
• The Inspector's Teeth (1950)
• Summer Wear (1950)
• Git Along! (1950)
• Perpetual Motion (1950) also appeared as:
  • Variant: Wide-Open Planet (1950)
• The Better Mousetrap (1950) with Fletcher Pratt
• Getaway on Krishna (1951) also appeared as:
  • Variant: Calories (1951)
• More Than Skin Deep (1951) with Fletcher Pratt
• The Continent Makers (1951)
• The Eye of Tandyla (1951)
• The Galton Whistle (1951)
• Ultrasonic God (1951)
• Beasts of Bourbon (1951) with Fletcher Pratt
• The Owl and the Ape (1951)
• When the Night Wind Howls (1951) with Fletcher Pratt also appeared as:
  • Variant: Methought I Heard a Voice (1951)
• The Saxon Pretender (1952)
• The Blunderer (1952)
• Rogue Princess (1952)
• The Rape of the Lock (1952) with Fletcher Pratt
• In-Group (1952)
• The Soaring Statue (1952)
• The Ancestral Amethyst (1952) with Fletcher Pratt
• "Where to, Please?" (1952) with Fletcher Pratt also appeared as:
  • Variant: Where to, Please? (1952)
• The Space Clause (1952)
• The Ordeal of Professor Klein (1952)
• The Black Ball (1952) with Fletcher Pratt
• The Guided Man (1952)
• Proposal (1952)
• A Dime Brings You Success (1953) with Fletcher Pratt
• All That Glitters (1953) with Fletcher Pratt
• Corpus Delectable (1953) with Fletcher Pratt
• Gin Comes in Bottles (1953) with Fletcher Pratt
• Here, Putzi! (1953) with Fletcher Pratt
• My Brother's Keeper (1953) with Fletcher Pratt
• No Forwarding Address (1953) with Fletcher Pratt
• Preface (Tales from Gavagan's Bar) (1953) with Fletcher Pratt
• The Eve of St. John (1953) with Fletcher Pratt
• The Love Nest (1953) with Fletcher Pratt
• The Palimpsest of St. Augustine (1953) with Fletcher Pratt
• The Stone of the Sages (1953) with Fletcher Pratt
• The Treasure of Tranicos (1953) with Robert E. Howard also appeared as:
  • Variant: The Treasure of Tranicos (1953) [as by Robert E. Howard]
  • Variant: The Black Stranger (1953)
• The Green Thumb (1953) with Fletcher Pratt
• The Virgin of Zesh (1953)
• Caveat Emptor (1953) with Fletcher Pratt
• The Wall of Serpents (1953) with Fletcher Pratt also appeared as:
  • Variant: Wall of Serpents (1972)
• The Untimely Toper: A Gavagan's Bar story (1953) with Fletcher Pratt also appeared as:
  • Variant: The Untimely Toper (1953)
• The Frost Giant's Daughter (1953) with Robert E. Howard also appeared as:
  • Variant: The Frost-Giant's Daughter (1953) [as by Robert E. Howard]
  • Variant: The Frost Giant's Daughter (1969) [as by Robert E. Howard]
  • Variant: The Frost Giant's Daughter (Gods of the North) (2017) [as by Robert E. Howard]
• One Man's Meat (1953) with Fletcher Pratt
• The Stronger Spell (1953)
• The Hungry Hercynian (1953)
• The Green Magician (1954) with Fletcher Pratt also appeared as:
  • Serializations:
  • The Green Magician (Part 1 of 2) (1978)
  • The Green Magician (Part 2 of 2) (1978)
• The Weissenbroch Spectacles (1954) with Fletcher Pratt
• Gratitude (1955)
• The Blood-Stained God (1955) with Robert E. Howard also appeared as:
  • Variant: The Bloodstained God (1956)
• The Flame Knife (1955) with Robert E. Howard
• Possession (1955)
• Property of Venus (1955)
• Judgment Day (1955)
• Hawks Over Shem (1955) with Robert E. Howard
• Cornzan, the Mighty (1955) also appeared as:
  • Variant: Cornzan the Mighty (1955)
• The Road of the Eagles (1955) with Robert E. Howard also appeared as:
  • Variant: Conan, Man of Destiny (1955)
• Internal Combustion (1956)
• A Gun for Dinosaur (1956)
• Impractical Joke (1956)
• New Arcadia (1956)
• Wyvernhold (1956)
• The Egg (1956)
• A Thing of Custom (1957)
• Let's Have Fun (1957)
• Conan the Victorious (1957) with Björn Nyberg
• Aristotle and the Gun (1958)
• Ka the Appalling (1958)
• Ward of the Argonaut (1959) with Fletcher Pratt also appeared as:
  • Variant: Oh, Say! Can You See (1959)
• Bell, Book and Candle (1959) with Fletcher Pratt also appeared as:
  • Variant: Bell, Book, and Candle (1959)
• Six Scenes in Search of an Illustration (1963) with Dick Eney and Fritz Leiber and Katherine MacLean and Michael Moorcock and John Pocsik [only as by L. Sprague de Camp and Richard Eney and Fritz Leiber and Katherine MacLean and Michael Moorcock and John Pocsik]
• Drums of Tombalku (1966) with Robert E. Howard
• The City of Skulls (1967) with Lin Carter
• The Thing in the Crypt (1967) with Lin Carter
• Wolves Beyond the Border (1967) with Robert E. Howard
• The Hall of the Dead (1967) with Robert E. Howard
• Black Tears (1968) with Lin Carter
• Conan and the Cenotaph (1968) with Lin Carter also appeared as:
  • Variant: The Curse of the Monolith (1968)
• The Castle of Terror (1969) with Lin Carter
• The Lair of the Ice Worm (1969) with Lin Carter
• The Snout in the Dark (1969) with Lin Carter and Robert E. Howard
• The Lusts of Professor Adams (1972)
• The Witch of the Mists (1972) with Lin Carter
• Black Sphinx of Nebthu (1973) with Lin Carter
• The Rug and the Bull (1973)
• The Emperor's Fan (1973)
• Red Moon of Zembabwei (1974) with Lin Carter
• Shadows in the Skull (1975) with Lin Carter
• The Lamp (1975) also appeared as:
  • Variant: The Lamp from Atlantis (1975)
• Far Babylon (1976)
• Balsamo's Mirror (1976)
• Algy (1976)
• The Purple Pterodactyls (1976)
• Two Yards of Dragon (1976)
• The Coronet (1976)
• Darius (1977)
• The Bear Who Saved the World (1977) with Catherine Crook de Camp
• The Figurine (1977)
• Tiki (1977)
• The Menhir (1977)
• Dead Man's Chest (1977)
• The Stone of the Witch-Queen (1977)
• Heretic in a Balloon (1977)
• Eudoric's Unicorn (1977)
• Spider Love (1977)
• Priapus (1977)
• United Imp (1977)
• The Witches of Manhattan (1978)
• The Huns (1978)
• There'd Be Thousands in It (1978) with Fletcher Pratt
• Legions of the Dead (1978) with Lin Carter
• Moon of Blood (1978) with Lin Carter
• Shadows in the Dark (1978) with Lin Carter
• The Gem in the Tower (1978) with Lin Carter
• The Ivory Goddess (1978) with Lin Carter
• The People of the Summit (1978) with Björn Nyberg
• The Star of Khorala (1978) with Björn Nyberg
• The Yellow Man (1978)
• A Sending of Serpents (1979)
• The Hand of Zei (Excerpt) (1982)
• Hand of Zei (excerpt) (1982)
• Sir Harold and the Gnome King (1990)
• Conan segraren (synopsis) [Swedish] (1991) with Robert E. Howard
• The Round-Eyed Barbarians (1992)
• The Big Splash (1992)
• The Synthetic Barbarian (1992)
• Crocamander Quest (1992)
• The Satanic Illusion (1992)
• Pliocene Romance (1993)
• The Cayuse (1993)
• The Mislaid Mastodon (1993)
• Miocene Romance (1993)
• The Honeymoon Dragon (1993)
• Sir Harold of Zodanga (1995)
• Captain Leopard (1996)
• Larmes noires [French] (1998) with Lin Carter and Robert E. Howard

• A Skald's Lament (1955)
• Lament by a Maker (1955)
• Parodies Tossed: With Reverent Apologies to the Shade of Sir William Gilbert - All the Latest Improvements (1957)
• Sirrush (1959)
• Transposition (1963)
• Heldendämmerung (1964)
• Nabonidus (1965)
• Tikal (1965)
• Limerick (Amra V2n39, March 1966) (1966)
• The Gods (1966)
• Heroes (1967)
• Old Heroes (1967)
• Où Sont les Planètes d'Antan? (1967) also appeared as:
  • Variant: Where Are the Worlds of Yesteryear? (1967)
• The Indian Rhinoceros (1967) also appeared as:
  • Variant: Kaziranga, Assam (1967)
• Tintagel (1967)
• To R.E.H. (1967)
• Meroê (1967)
• The Tusk (1967)
• Time (1967)
• Nahr al-Kalb (1967)
• Acrophobia (1968)
• Envy (1968)
• Night (1968)
• The Ghost (1968)
• The Ogre (1968)
• Warriors (1968)
• The Dragon-Kings (1968)
• Ghost Ships (1968)
• New Year's Eve in Baghdad (1968)
• The Jungle Vine (1968)
• Faunas (1968)
• A Tale of Two John Carters (1969)
• Carnac (1969)
• Daydreams (1969)
• Ghosts (1969)
• Progress in Baghdad (1969)
• To My Library (1969)
• Ziggurat (1969)
• A Brook in Vermont (1969)
• Other Limericks (Amra V2n51, November 1969) (1969) with John Boardman and Robert Coulson and Dennis Lien [only as by John Boardman and Buck Coulson and L. S. de Camp and Dennis Lien]
• Avebury (1970)
• Disillusion (1970)
• Farewell to Adam (1970)
• First Lake at Midnight (1970)
• Patnâ (1970)
• Ruins (1970)
• Teotihuacán (1970)
• The End of the Lost-Race Story (1970)
• The Great Pyramid (1970) also appeared as:
  • Variant: The Great Pyramid of Giza (1970)
• The Little Lion of Font-de-Gaume (1970)
• The Quatrains of Bessas the Bactrian (1970)
• The Sorcerers (1970)
• Creation (1970)
• Reward of Virtue (1970) also appeared as:
  • Variant: "Reward of Virtue" (1978)
• Tiger in the Rain (1970)
• Bear on a Bicycle (1971)
• Mother and Son (1971)
• The Saviors (1971)
• A Glass of Goblanti (1972)
• A Night Club in Cairo (1972)
• African Night (1972)
• Art (1972)
• Beholder (1972)
• Bourzi (1972)
• Delray Beach, Florida (1972)
• Glamour (1972)
• Jewels (1972)
• Jorian's Jingles: On a Shrew (1972)
• Jorian's Jingles: On Battle (1972)
• Jorian's Jingles: On Death (1972)
• Jorian's Jingles: On Executioners (1972)
• Jorian's Jingles: On Himself (1972)
• Jorian's Jingles: On his Homeland (1972)
• Jorian's Jingles: On Magic (1972)
• Jorian's Jingles: On Piracy (1972)
• Jorian's Jingles: On Polygamy (1972)
• Leaves (1972)
• Preferences (1972)
• Psyche (1972)
• Spring (1972)
• Tehuantapec (1972)
• Tehuantepec (1972)
• The Elephant (1972)
• The Hippopotamus (1972)
• The Home of the Gods (1972)
• The Irish (1972)
• The Iron Pillar of Delhi (1972)
• The Lizards of Tula (1972)
• The Mantis (1972)
• The Newt (1972)
• The Old-Fashioned Lover (1972)
• The Olmec (1972)
• The Other Baghdad (1972)
• The Reaper (1972)
• The Trap (1972)
• Thoth-Amon's Complaint (1972)
• Xeroxing the Necronomicon (1972) also appeared as:
  • Variant: Xeroxing the "Necronomicon" (2000)
• Ivan Vasilevitch (1973)
• Magus Imperitus (1973)
• The Ghost of H.P.L. (1973)
• Yuggoth Comes to Providence (1973)
• "The Ameba" (1973) also appeared as:
  • Variant: The Ameba (1973)
• Happiness (1974)
• Merlin (1974)
• The Dragon-Slayers (1974)
• Wayfarers (1974)
• Houses on Stalks (1974)
• Fiction (1975)
• Tars Tarkas and I (1975) also appeared as:
  • Variant: Tars Tarkas & I (1975)
• The Fossils (1975)
• The Octopus (1975)
• Atavism (1976)
• Babylon (1976)
• Shadows Over Squamous (1976)
• The Barbarian (1976)
• The Opossum (1976)
• The Little Green Men (1976) also appeared as:
  • Variant: "The Little Green Men" (1978)
• Gratuity (1976)
• My Uglies (1976)
• A Caution (1976)
• Progress (1977)
• Spells (1977)
• Flying Fish (1977)
• Conan the Limmerian (1978)
• The Enchanted Isles (1978)
• My Carrack (1979)
• Ripples (1980)
• Souls (1981)
• The Bats of Florence (1981)
• The Dome of the Rock (1981)
• The Galápagos Marine Iguana (1981)
• The Megaliths of Avebury (1981)

• Letter (Astounding Stories, September 1937) (1937)
• Letter (Astounding Stories, December 1937) (1937)
• Language for Time Travelers (1938)
• Letter (Astounding, September 1938) (1938)
• Book Review (Astounding, November 1938) (1938)
• Letter (Astounding, January 1939) (1939)
• Letter (Astounding, February 1939) (1939)
• Letter (Amazing Stories, April 1931) (1939)
• Letter (Astounding, April 1939) (1939)
• Design for Life (Part 1 of 2) (1939)
• Design for Life (Part 2 of 2) (1939)
• Letter (Unknown, June 1939): It sounds unpleasant to put this way (1939)
• Returned from Hell? (1939) [only as by L. S. de Camp]
• There's Just as Good Fish-- (1939)
• Letter (Unknown, October 1939): "Comments on Yoga" (1939)
• "There Ain't No Such!" (Part 1 of 2) (1939)
• "There Ain't No Such!" (Part 2 of 2) (1939)
• Letter (Astounding, December 1939): "How the Monter Lost His Plumbing—" (1939)
• Book Review (Astounding, January 1940) (1940)
• The Science of Whithering (Part 1 of 2) (1940)
• The Science of Whithering (Part 2 of 2) (1940)
• Justinian Jugg's Patent (1940)
• Author's Note (Lest Darkness Fall) (1941)
• Letter (Astounding, July 1941) (1941)
• Book Reviews (Astounding, August 1941) (1941)
• The Sea King's Armored Division (Part 1 of 2) (1941)
• The Sea King's Armored Division (Part 2 of 2) (1941)
• Postscript to "There Ain't no Such." (1941)
• The Long-Tailed Huns (Part 1 of 2) (1942)
• Book Review (Unknown Worlds, February 1942) (1942) [only as by J. Wellington Wells]
• The Long-Tailed Huns (Part 2 of 2) (1942)
• Letter (Unknown Worlds, April 1942) (1942) [only as by Lyon Sprague de Camp]
• Probability Zero! (Astounding, April 1942) (1942) with Isaac Asimov and Malcolm Jameson [only as by George E. Dale and L. Sprague de Camp and Malcolm Jameson]
• Letter (Astounding, May 1942) (1942)
• Book Review (Astounding, June 1942) (1942)
• Review of the nonfiction work "Nostradamus: The Man Who Saw Through Time" by Lee McCann (1942) [only as by J. Wellington Wells]
• Probability Zero! (Astounding, August 1942) (1942) with John Carnell and Joseph Gilbert and Jack Speer [only as by Ted Carnell and L. Sprague de Camp and Joseph Gilbert and Jack Speer]
• Letter (Astounding, October 1942) (1942)
• Get Out and Get Under (Part 1) (1942)
• Get Out and Get Under (Part 2 of 2) (1943)
• On Books of Magic (Unknown Worlds, February 1943) (1943) [only as by J. Wellington Wells]
• Probability Zero! (Astounding, February 1943) (1943) with Fox B. Holden and Malcolm Jameson and Henry Kuttner [only as by L. Sprague de Camp and Fox B. Holden and Colin Keith and Henry Kuttner]
• Letter (Astounding, April 1944) (1944)
• Letter (Astounding, October 1945) (1945)
• Letter (Astounding, April 1946) (1946)
• Letter (Astounding, May 1946) (1946)
• Humor in Science Fiction (1947)
• Letter (Astounding, February 1947) (1947)
• Book Review (Astounding, February 1948) (1948)
• The Space Suit (1948)
• Book Review (Astounding, June 1948) (1948) with Willy Ley
• Foreword (The Wheels of If) (1948)
• Letter (Astounding, March 1949) (1949)
• Book Reviews (Astounding, May 1949) (1949) with P. Schuyler Miller
• Reviews (Astounding, June 1949) (1949)
• Letter (Science-Fantasy Review, Autumn 1949) (1949)
• The Great Floods (1949)
• Why I Selected- The Hibited Man (1949)
• Introduction (The Wolf Leader) (1950)
• Book Review (Astounding, April 1950) (1950)
• Book Reviews (Astounding, May 1950) (1950) with P. Schuyler Miller
• The Mayan Elephants (1950)
• Book Reviews (Astounding, August 1950) (1950) with P. Schuyler Miller
• Book Review (Astounding, September 1950) (1950)
• Why Do They Do It? (1950) also appeared as:
  • Variant: Hoaxes in Science (1983)
• Book Reviews (Astounding, November 1950) (1950) with P. Schuyler Miller
• Lands of Yesterday (1950)
• Letter (Startling Stories, November 1950): Sometimes Silly (1950)
• Arthor, Author: L. Sprague de Camp (1951)
• Author's Note (Rogue Queen) (1951)
• Author's Note (The Tritonian Ring) (1951)
• Glossary of Ormazdian Names and Words (1951)
• Book Reviews (Astounding, February 1951) (1951) with P. Schuyler Miller
• Letter (Astounding, February 1951) (1951)
• Book Reviews (Astounding, June 1951) (1951) with P. Schuyler Miller
• The Care and Feeding of Mad Scientists (1951) also appeared as:
  • Variant: The Care and Feeding of Scientists (1983)
• The So-Called Fourth Dimension (1951)
• The Mystic Trance (1951)
• The Wisdom of the Ancients (1951)
• Letter (Thrilling Wonder Stories, December 1951) (1951)
• False Prophets Shall Rise (1952)
• Letter (Startling Stories, January 1952) (1952)
• Letter (Astounding, February 1952) (1952)
• Where Were We? (1952)
• Letter (Astounding, April 1952) (1952)
• Readin' and Writhin' (Future Science Fiction, May 1952) (1952) with Robert A. W. Lowndes [only as by L. Sprague de Camp and Robert W. Lowndes]
• The Mislaid Tribes (1952)
• Letter (Thrilling Wonder Stories, August 1952) (1952)
• The Mountain of Light (1952)
• Down to Earth (Future Science Fiction, January 1952) (1952)
• Lost Continents No. 1: The Story of Atlantis (1952)
• The People Who Make Other Worlds No. 6: L. Sprague de Camp (1952)
• Lost Continents No. 2: The Resurgence of Atlantis (1952)
• Letter (Startling Stories, December 1952) (1952)
• Lost Continents No. 3: The Land of the Lemurs (1952)
• Author's Note (The Continent Makers and Other Tales of the Viagens) (1953)
• Imaginative Fiction and Creative Imagination (1953)
• Introduction (King Conan) (1953)
• introduction (The Coming of Conan) (1953)
• Lost Continents No. 4: The Hunting of the Cognate (1953)
• It Ool Depend (1953)
• Lost Continents No. 5: The Mayan Mysteries (1953)
• The Great Charlatans (1953)
• Letter (Astounding, March 1953) (1953)
• Letter (Nostradamian Interlude) (1953)
• Lost Continents No. 6: Welsh and Other Indians (1953)
• Lost Continents No. 7: The Creeping Continents (1953)
• The Golden Mirage (1953)
• A Modern Merlin (1953)
• Lost Continents No. 8: The Silvery Kingdom (1953)
• Lost Continents No. 9: The Author of Atlantis (1953)
• Letter (Thrilling Wonder Stories, August 1953) (1953)
• Readin' and Writhin' (Science Fiction Quarterly, August 1953) (1953)
• The Phantom Phoenicians (1953)
• Readin' and Writhin' (Science Fiction Quarterly, November 1953) (1953)
• Letter (Astounding, December 1953) (1953)
• The Stars in Their Courses (1954)
• Orthodoxy in Science (1954)
• Letter (Astounding, August 1954) (1954)
• Readin' and Writhin' (Future Science Fiction, August 1954) (1954)
• The Lost Continents of Fiction (1954)
• Letter (Astounding, September 1954) (1954)
• The Elder Profession (1954)
• Ghostly Note (1955)
• Readin' and Writhin' (Science Fiction Quarterly, August 1955) (1955) with Damon Knight and Robert A. W. Lowndes [only as by L. Sprague de Camp and Damon Knight and Robert W. Lowndes]
• Review of nongenre nonfiction _Animals, Myths, and Men_ (Richard Lewinsohn) (1955)
• Faery Lands Forlorn (1955)
• The Mythological Background (1956)
• What Is a Rosicrucian? (1956)
• Readin' and Writhin' (Science Fiction Quarterly, May 1956) (1956)
• The Stone of the Wise (1956)
• Letter (Astounding, October 1956) (Obituary Fletcher Pratt) (1956)
• The Mysterious Kabbalah (1956)
• Mad Men of Science (1956)
• Lost Cities (1957)
• Bridey Murphy and the Martian Princess (1957)
• Letter (Science Fiction Stories, March 1957) (1957)
• More Mad Men of Science (1957)
• Readin' and Writhin' (Future Science Fiction, #32) (1957)
• The Downfall of Alchemy (1957)
• Pfui on Psi (1957)
• Readin' and Writhin' (Science Fiction Stories, September 1957) (1957)
• How To Talk Futurian (1957)
• Ignatius Donelly Pseudomath (1957) also appeared as:
  • Variant: The Great Pseudomath (1980)
• Letter (Astounding, January 1958) (1958)
• Letter (Science Fiction Stories, May 1958) (1958)
• Wonders Are Many (1958)
• Pure Science (1959) only appeared as:
  • Variant: The Need to Know (1983)
• An Exegesis of Howard's Hyborian Tales (1959)
• An Informal Biography of Conan the Cimmerian (1959) with John D. Clark, Ph.D. and P. Schuyler Miller only appeared as:
  • Variant: An Informal Biography of Conan the Cimmerian (1959) [as by John D. Clark and L. Sprague de Camp and P. Schuyler Miller]
  • Variant: An Informal Biography of Conan the Cimmerian (1959) [as by Dr. John D. Clark and L. Sprague de Camp and P. Schuyler Miller]
• An Exegesis of Howard's Hyborian Tales - Part II (1959)
• Letter: On Jhil (1959)
• An Exegesis of Howard's Hyborian Tales - Part 3 (1959)
• Review of nongenre nonfiction title "Vanished Cities" by Hermann and George Schreiber (1959)
• Scrolls and Such (Amra V2n7, November 1959) (1959)
• Conan and Togetherness (1959)
• The Krishna Stories (1959)
• Author's Note (The Bronze God of Rhodes) (1960)
• Pirettes (1960)
• Chariot Opera (1960)
• Kush (1960)
• Letter: African Swackles (1960)
• Scrolls and Such (Amra V2n13, 1960) (1960)
• The First Missile Launchers (1960)
• Author's Note (The Dragon of the Ishtar Gate) (1961)
• 18th World Knowledge Sagas Forgathering (1961) with Poul Anderson
• Conan Undesexed (1961) with Björn Nyberg
• Letter: On the Gnarly Man and Old Man Mulligan (1961)
• Apollonios Enlists (1961)
• Conan and Matho (1961)
• Letter: On Solomon Kane (1961)
• Conan's Great-Grandfather (1961)
• Letter (Fantastic Stories of Imagination, October 1961) (1961)
• Small Scrolls (1961) with P. Schuyler Miller
• De Camp's Page (1962)
• Letter: On an Anthology (1962)
• Letter: On Names (1962)
• Conan's Imitators (1962)
• Appius Claudius Crassus: Roman Builder (1962) also appeared as:
  • Variant: Appius Claudius Crassus (1983)
• Letter: On Dunsany (1962)
• A Puzzle (1962)
• La plus vieille profession (I) [French] (1962)
• Letter: On a Scroll (1962)
• The Mechanical Wizards of Alexandria (1962)
• Preface (The Ancient Engineers) (1963)
• The Coming of the Engineers (1963)
• Dragon Hunt (1963)
• Hyborian Technology (1963)
• Letter: On the Influence of Lord Dunsany on Clark Ashton Smith (1963)
• Xerxes' Okapi and Greek Geography (1963) only appeared as:
  • Variant: Xerxes' Okapi (1983)
• Letter: On - er - Previous Letters (1963)
• Swackle (Amra V2n24, May 1963) (1963)
• Letter: On Weapons of Choice &/or Necessity [2] (1963)
• Letters: On Weapons of Choice &/or Necessity (1963)
• The Great Satanist Plot (1963)
• The Prose Tales of Clark Ashton Smith (1963)
• How to Plan a Fauna (1963)
• Scrolls (1963)
• Introduction: Heroic Fantasy (1963)
• L. Sprague de Camp Bibliographie [German] (1963) with Franz Rottensteiner
• Conan and Pizarro (1964) also appeared as:
  • Variant: Conan & Pizarro (1964)
• The Complete Duelist (1964)
• The Insidious Doctor Conan (1964)
• Letter: On Mr. Pournelle re Sword and Quarterstaff (1964)
• Swackle (Amra V2n29, August 1964) (1964)
• The Compleat Duellist (1964)
• Letter (Haunted #2) (1964)
• The Insidious Dr. Conan (1964)
• Introduction: Wizards and Warriors (1965)
• Le mystère des ruines bleues de Nan Matal [French] (1965) with Catherine Crook de Camp [only as by C. Sprague de Camp and L. Sprague de Camp]
• Review of nongenre nonfiction title "The Knight and the Umbrella" by Ian Anstruther (1965)
• Range (1965)
• Ranging Afterthoughts (1965)
• Sublimated Bloodthirstiness (1965) with Poul Anderson and John P. Conlon
• Mammoths and Mastodons (1965)
• Review of nongenre title "The Curved Saber" by Harold Lamb (1965) [only as by L. S. de Camp]
• Pratt's Parallel Worlds (1965)
• Introduction (Conan the Adventurer) (1966)
• Knights and Knaves in Neustria (1966)
• The Great Glass Jewel (1966) with Catherine Crook de Camp
• Letter: On Almuric and "Yuetshi" (1966)
• Memories of R. E. H. (1966)
• Sherd: The Howard Collector (1966)
• So You Want to be a Prophet? (1966)
• Letter: On "Yuetshi" Again (1966)
• Letter: On Buckles (1966)
• A Sword Scroll (1966) [only as by L. S. de Camp]
• Addenda to the Exegesis (1966)
• Bibliotechnical Bonanza (1966)
• Multiple Scroll (1966)
• Sherd 1 (1966)
• Sherd 2 (1966)
• You Can't Beat Brains (1966) also appeared as:
  • Variant: Isaac Asimov (1966)
• Introduction (Conan the Conqueror) (1967)
• Introduction (Conan the Usurper) (1967)
• Introduction (Conan the Warrior) (1967)
• Introduction (Conan) (1967)
• A Far-Fetched Scroll (1967)
• Letter: On Nomenclature (1967)
• Swackle (Amra V2n43, March 1967) (1967)
• Yearish Look-Well (1967) [only as by de Camp]
• Tellers of Tales (1967)
• Letter to The SFWA Bulletin, June 1967 (1967)
• Letter (Analog, July 1967) (1967)
• Letter: On Thendara 2 (1967)
• More Multiple Scroll (1967)
• Sherd (Amra V2n44, October 1967) (1967)
• Yearly Foregathering Againcarry (1967) [only as by de Camp]
• Superaddendum to the Exegesis (1967)
• The Trail of Tranicos (1967)
• Conan's Ghost (1968)
• El-Ron and the City of Brass (1968) also appeared as:
  • Variant: El-Ron & The City of Brass (1968)
• How to Hunt Dinosaurs (1968)
• Introduction (Conan of the Isles) (1968)
• Introduction (Conan the Avenger) (1968)
• Introduction (Conan the Freebooter) (1968)
• Introduction (Conan the Wanderer) (1968)
• Knight and Knaves in Neustria (1968) also appeared as:
  • Variant: Knights & Kaves in Neustria (1966)
• One Day in the Cretaceous (1968) with Catherine Crook de Camp
• Letter to Joel Frieman, 21 October 1967 (1968)
• Dinosaurs in Today's World (1968) also appeared as:
  • Variant: Dinosaurs Today (1983)
• Introduction to Proposal (1968)
• The Pyramids of Kush (1968)
• Letter to Psychotic, May 1968 (1968)
• Letter to Psychotic, July 1968 (1968)
• Editing Conan (1968)
• More Scrollery (Amra V2n47, August 1968) (1968)
• Review of nongenre nonfiction title "The Year of the Horsetails" by R. F. Tapsell (1968)
• Review of the nongenre nonfiction title "The Winter Serpent" by M. H. Davis (1968)
• Letter (Magazine of Horror, September 1968) (1968)
• Letter to Psychotic, September 1968 (1968)
• Letter: Science Fiction Review, November 1968 (1968)
• Cope vs. Marsh (1969)
• Introduction (Conan of Cimmeria) (1969)
• - - - And Having Writ - - - (1969) with Frank Kelly Freas
• Letter: On Europe (1969)
• The Landlocked Indian Ocean (1969)
• Letter (Magazine of Horror, July 1969) (1969)
• Letter (Science Fiction Review, August 1969) (1969)
• Letter (Analog, October 1969) (1969)
• An Exegesis of Names Discarded by REH (1969)
• Letter: On Dark Snouts (1969)
• Letter to Science Fiction Review, December 1969 (1969)
• Introduction (Warlocks and Warriors) (1970)
• Mundy's Venhya (1970)
• The Falls of Troy (1970)
• Multiple Scrolls (Amra V2n52, April 1970) (1970)
• Proofreaditorial Note on Heraldry (1970)
• Review of nongenre title "The Mighty Manslayer" by Harold Lamb (1970)
• The Quarter-Acre Round Table (1970)
• Robert E. Howard [German] (1970)
• Letter (Science Fiction Review, August 1970) (1970)
• Mundy's Vendhya (1970)
• Scroll (1970)
• The Tower of Mystery (1970)
• Letter (Science Fiction Review, November 1970) (1970)
• Letter (Fantastic, December 1970) (1970)
• The Street of the Dead: Teotihuacán (1970)
• Skald in the Post Oaks (1971)
• Letter (Science Fiction Review, January 1971) (1971)
• Letter (Analog, February 1971) (1971)
• Letter (Science Fiction Review, March 1971) (1971)
• Multiple Scrolls (Amra V2n54, April 1971) (1971)
• Review of nongenre nonfiction "The Knight" by George Shipway (1971)
• Scroll (Amra V2n54, April 1971) (1971)
• Literary Swordsmen & Sorcerers: Skald in the Post Oaks (1971)
• [John W. Campbell Appreciation] (1971)
• Literary Swordsmen & Sorcerers: Eldritch Yankee Gentleman - Part One (1971)
• Death Comes to the Megafauna (1971)
• Literary Swordsmen & Sorcerers: Eldritch Yankee Gentleman - Part Two (1971)
• Author's Note (The Clocks of Iraz) (1971)
• Letter (SF Commentary 24) (1971)
• August Derleth 1909-1971 (1971)
• Letter: On Lovecraft Letters, Brak, Merkur, & Wet Leaves (1971)
• Review of nongenre title "The Knights of Dark Renown" by Graham Shelby (1971)
• Review of nongenre title "Tomorrow's Fire" by Jay Williams (1971)
• Review of the nongenre title "The Kings of Vain Intent" by Graham Shelby (1971)
• Scrolls (Amra V2n55, December 1971) (1971)
• Swackle (Amra V2n55, December 1971) (1971)
• A Word of Explanation (1972)
• Aphorisms (1972)
• Creatures Great and Small (1972)
• Foreword (Phantoms & Fancies) (1972)
• Government Bug-Hunter (1972)
• My Fellow Primates and I (1972)
• Seen in My Travels (1972)
• Swords, Sorcery, and Scribblers (1972)
• Three Thirds of a Hero (1972)
• Varied Fancies (1972)
• Literary Swordsmen & Sorcerers: Two Men in One (1972)
• Tula and the Vanished Toltecs (1972)
• H. P. Lovecraft and H. S. Chamberlain (1972)
• Short Scrolls (Amra V2n56, June 1972) (1972)
• Introduction-Beyond the World We Know (1972) with Catherine Crook de Camp
• The Iron Pillar of Delhi (1972)
• Literary Swordsmen & Sorcerers: Sierran Shaman (1972)
• Books That Never Were (1972)
• Literary Swordsmen & Sorcerers: Pratt and His Parallel Worlds (1972)
• Introduction: Yesterday, Tomorrow, and Maybe (1973) with Catherine Crook de Camp
• Preface (Al Azif) (1973) also appeared as:
  • Variant: Preface to the Necronomicon (1981)
  • Variant: Preface to the Al-Azif (1996)
• Sonia & H.P.L. (1973)
• Letter: On "Gurre" (1973)
• Letter: On Animals (1973)
• Letter: On Antique Apes (1973)
• Letter: On C. A. Smith (1973)
• Letter: On Lovecraftiness (1973)
• Letter: On Quaint Streetcars (1973)
• Letter: On Slopsism (1973)
• Letter: On Sources (1973)
• Letter: On Two Queries (1973)
• Sprague's Swackles (Amra V2n58, January 1973) (1973)
• Barbarians I Have Known (1973)
• Scrolls (1973) with Albert A. Nofi
• Up and Away from the School of Invention (1973)
• Scrolls (Amra V2n60, September 1973) (1973) with Bert Duch and Albert A. Nofi [only as by L. Sprague de Camp and Bert Duch and Al Nofi]
• J. R. R. Tolkien (appreciation) (1973)
• Introduction (The Emperor's Fan) (1973)
• The Decline and Fall of Adam (1973)
• Introduction (Marching Sands) (1974)
• Introduction (The Lost Continent) (1974)
• Letter: On Lovecrafty Inspection (1974)
• The Conans of Albion (1974)
• Literary Swordsmen & Sorcerers: William Morris, Jack of All Arts (1974)
• Letter: On Unaussprechlichen Kulten (1974)
• Review of the nonfiction work "Viking Expansion Westwards" by Magnus Magnusson (1974)
• Swackle (Amra V2n62, October 1974) (1974)
• Literary Swordsmen & Sorcerers: Superman in a Derby (1974)
• Howard and the Celts (1975)
• Introduction (A Catalog of Lovecraftiana: The Grill/Binkin Collection) (1975)
• Introduction (Blond Barbarians & Noble Savages) (1975)
• Introduction (The Miscast Barbarian) (1975)
• Letter (Cross Plains V1n6) (1975)
• Lovecraft and the Aryans (1975)
• Merlin on the Queens Express (1975)
• The Heroic Barbarian (1975)
• Lovecraft: Failed Aristocrat (1975)
• Literary Swordsmen & Sorcerers: El-Ron of the City of Brass (1975)
• Response to Professor Mosig (1975)
• On Justice Delayed (1975)
• Scrolls (Amra V2n64, October 1975) (1975)
• H. P. Lovecraft: Part2 Mosig vs de Camp Debate (1975) with Dirk W. Mosig [only as by L. Sprague de Camp and Dirk Mosig]
• Letter (Fantasy Crossroads #6) (1975)
• Fletcher and I (1975) also appeared as:
  • Variant: Afterword: Fletcher and I (1975)
  • Variant: Foreword: Fletcher and I (1975)
• Literary Swordsmen & Sorcerers: The Architect of Camelot (1975)
• Presentazione [Italian] (1975)
• Introduction (To Quebec and the Stars) (1976)
• Introduction to the Lancer Books Edition (Conan the Freebooter) (1976)
• Letter (New Venture, Summer 1976) (1976)
• Letter (Quantum (1975-78), #2) (1976)
• Letter: The Vulture Croaks Back (1976) [only as by L. Sarcophagus de Camp]
• Literature and Esthetics (1976)
• Philosophy (1976)
• Science (1976)
• Travel, Description and History (1976)
• De Camp Responds (1976)
• Letter (The Diversifier #12) (1976)
• Letter (Fantasy Crossroads #7) (1976)
• Letter (Science Fiction Review #16) (1976)
• The Search for Superman (1976)
• Letter: On Amras (1976)
• Letter: On Claymores (1976)
• The Breeds of Man (1976)
• Letter to The Bulletin of the Science Fiction Writers of America, June 1976 (1976)
• The Assyrians: Masters of the East (1976) with Cliff Bird
• Letter (The Diversifier #15) (1976)
• Little Green Men from Afar (1976)
• Letter (Fantasy Crossroads #9) (1976)
• Professionalism (1976)
• Letter (The Diversifier #17) (1976)
• Literary Swordsmen & Sorcerers: White Wizard in Tweeds (1976)
• Foreword (The Queen of Zamba)(collection) (1977)
• Letter (Phantasy Digest #2) (1977)
• Letter (REH: Two-Gun Raconteur #4) (1977)
• Stirrups and Scholarship (1977) also appeared as:
  • Variant: Stirrups & Scholarship (1977)
• The Barbarian as Hero (1977) also appeared as:
  • Variant: The Barbarian Hero (1976)
• Letter (F&SF, January 1977) (1977)
• Letter to The Bulletin of the Science Fiction Writers of America, January 1977 (1977)
• Scrolls (Amra V2n67, February 1977) (1977) with Val D. Conder
• Howard and the Races (1977)
• Letter (Fantasy Crossroads #10/11) (1977)
• Introduction (Conan of Aquilonia) (1977)
• Letter (Fantasy Crossroads #12) (1977)
• Appendix A: Young Man Lovecraft (1978)
• Young Man Lovecraft (1978)
• Author's Afterword (The Best of L. Sprague de Camp) (1978)
• Letter to The Bulletin of the Science Fiction Writers of America, Winter 1978 (1978)
• Letter (Nyctalops #14, March 1978) (1978)
• Sesquithoughts on Lovecraft (1978)
• Letter (Fantastic, April 1978) (1978)
• Savages and Scriveners (1978)
• By and About (1978)
• Letter (Fantasy Crossroads #13) (1978)
• The Scientist (1978) with Thomas D. Clareson
• Future Forum (Future, July 1978) (1978) with Forrest J. Ackerman and Poul Anderson and John Brunner and David Gerrold and Vic Ghidalia and Joe Haldeman and Ilya Salkind and Bjo Trimble [only as by Forrest J. Ackerman and Poul Anderson and John Brunner and L. Sprague de Camp and David Gerrold and Vic Ghidalia and Joe W. Haldeman and Ilya Salkind and Bjo Trimble]
• Review of nongenre nonfiction title "History of the Franks" by Gregory of Tours (1978)
• Scrolls (Amra V2n68, July 1978) (1978) with John Boardman
• Hyborian Names (1978)
• The Conan Saga (1978)
• Biography (1978)
• Letter (Asimov's September-October 1978) (1978)
• Letter (Locus #216) (1978)
• Foreword (The Purple Pterodactyls) (1979)
• Future Forum (Future, January 1979) (1979) with Poul Anderson and Marion Zimmer Bradley and Mark R. Chartrand, III and Larry Niven and George Pal and Joanna Russ and Charles H. Schneer and Bjo Trimble and Gahan Wilson [only as by Poul Anderson and Marion Zimmer Bradley and Dr. Mark R. Chartrand and L. Sprague de Camp and Larry Niven and George Pal and Joanna Russ and Charles H. Schneer and Bjo Trimble and Gahan Wilson]
• Letter (Fantasy Crossroads #15) (1979)
• Introduction (Conan the Liberator) (1979)
• Editor's Note (The Blade of Conan) (1979)
• Letter (Locus #227) (1979)
• Introduction (The Treasure of Tranicos) (1980)
• Introduction to "The Ancestral Amethyst" (1980)
• Long Ago and Far Away (1980)
• Preface (The Ragged Edge of Science) (1980)
• Round About the Cauldron (1980)
• Science and Pseudo-Science (1980)
• Tales from Gavagan's Bar Series (1980)
• Conan: Illusion and Reality (1980) also appeared as:
  • Variant: Conan, Illusion, and Reality (1980)
• Editor's Note (The Spell of Conan) (1980)
• Ghost Trouble (1980)
• Letter (Locus #235) (1980)
• Noble Savage (1980)
• Man's Biological Future (1980)
• Introduction (Conan and the Spider God) (1980)
• Beasts, Birds, & Creeping Things (1981)
• Introduction (We Are All Legends) (1981)
• Myths & Mythmakers (1981)
• Places Near & Far (1981)
• Postscript (Footprints on Sand) (1981)
• Some Other Thoughts (1981)
• Speaking Stones & Bricks (1981)
• The Human Condition (1981)
• Letter: On Pizza (1981)
• More Stirrups (1981)
• Introduzione (Conan il liberatore) [Italian] (1981)
• Foreword (Heroes and Hobgoblinis) (1981)
• Letter (Locus #242) (1981)
• Atlantis and the City of Silver (1981) with Catherine Crook de Camp
• To Roy Thomas' Savage Sword: Letter (1981)
• Conan of the Movies (1981)
• Pseudohistory (1981)
• Letter (Crypt of Cthulhu #2) (1981)
• Letter (OAK Leaves, V2n15 Spring 1982) (1982)
• The Krishna Stories (1982)
• Letter (Crypt of Cthulhu #4) (1982)
• Foreword (Conan the Barbarian) (1982) also appeared as:
  • Variant: Moments of Truth (1982)
• Letter (Crypt of Cthulhu #5) (1982)
• Letter (Asimov's, June 1982) (1982)
• Letter (Crypt of Cthulhu #6) (1982)
• Another Scroll (1982)
• Scroll (Amra V2n71, July 1982) (1982)
• Commentary (on Asimov's Foundation Trilogy) (1982)
• Letter (Analog, December 1982) (1982)
• Conan the Barbarian: A Synopsis of the Ultimate Hero's Adventures (1983)
• Preface (The Fringe of the Unknown) (1983)
• The Great Whale Robbery (1983)
• The Temperamental Tank (1983)
• Letter (Crypt of Cthulhu #14) (1983)
• Letter (Fantasy Newsletter No. 61) (1983)
• Letter (Crypt of Cthulhu #18) (1983)
• Notes from the de Camps (1984) with Catherine Crook de Camp
• Letter (Crypt of Cthulhu #23) (1984)
• Letter (Fantasy Review, July 1984) (1984)
• Letter (Locus #282) (1984)
• Author's Note (The Bones of Zora) (1984)
• Letter (Crypt of Cthulhu #24) (1984)
• Letter (Crypt of Cthulhu #25) (1984)
• untitled (The Faces of Science Fiction) (1984)
• Conan the Indestructible (1984)
• Bulletin Symposium (The Bulletin of the Science Fiction Writers of America, Winter 1985) (1985) with Brian W. Aldiss and Isaac Asimov and Michael Bishop and C. J. Cherryh and Arthur C. Clarke and Richard Cowper and Phyllis Eisenstein and Fritz Leiber and Anne McCaffrey and Andre Norton and Brian Stableford and Jack Williamson [only as by Brian Aldiss and Isaac Asimov and Michael Bishop and C. J. Cherryh and Arthur C. Clarke and Richard Cowper and L. Sprague de Camp and Phyllis Eisenstein and Fritz Leiber and Anne McCaffrey and Andre Norton and Brian Stableford and Jack Williamson]
• Letter (Analog, April 1985) (1985)
• Letter (Crypt of Cthulhu #30) (1985)
• Robert E. Howard's Fiction (1985)
• Letter (Crypt of Cthulhu #34) (1985)
• Letter to Joel Frieman, October 21, 1967 ("Dear Joel: / The first time I read a Conan (or other Howard) story...") (1986)
• Letter to The SFWA Forum # 96, July-August 1986 (1986)
• Silent Specters, Spiders, and Sauropods (1986)
• Letter (Crypt of Cthulhu #42) (1986)
• Letter [2] (Crypt of Cthulhu #42) (1986)
• Letter (Crypt of Cthulhu #43) (1986)
• Thoats, Tharks,and Thews (1987)
• Letter (Crypt of Cthulhu #47) (1987)
• Henry Kuttner: An Introduction (Prince Raynor) (1987)
• Letter (Crypt of Cthulhu #49) (1987)
• Howard's Prototypes (1987)
• Letter (Cromlech #2) (1987)
• Letter (Analog, October 1987) (1987)
• Sorcerers, Symbols, and Spells (1987)
• Letter (Crypt of Cthulhu #51) (1987)
• Rubber Dinosaurs and Wooden Elephants (1987) also appeared as:
  • Variant: The Con Man from Bagdad (1996)
• Bulletin Symposium (The Bulletin of the Science Fiction Writers of America, Spring 1988) (1988) with Poul Anderson and Gregory Benford and John Brunner and Arthur C. Clarke and Jack Dann and Catherine Crook de Camp and George Alec Effinger and Joe Haldeman and James Morrow and Larry Niven and John Shirley and Lawrence Watt-Evans and Connie Willis and Gene Wolfe and Jane Yolen
• NASA Heinlein Retrospective Tribute (1988)
• Letter (Crypt of Cthulhu #53) (1988)
• Remembering Lin Carter (1988) with Catherine Crook de Camp
• Letter (Analog, May 1988) (1988)
• Robert Heinlein: In Memoriam (1988)
• John D. ("Doc") Clark (1988)
• Bulletin Symposium (The Bulletin of the Science Fiction Writers of America, Summer 1989) (1989) with Isaac Asimov and John Brunner and F. M. Busby and Suzy McKee Charnas and Arthur C. Clarke and Sheila Finch and Esther M. Friesner and James Morrow and Larry Niven and Frederik Pohl and Nancy Springer
• Foreword (Pathways to Elfland: The Writings of Lord Dunsany) (1989)
• Nachschrift (Ein Elefant für Aristoteles) [German] (1989)
• Brachiating in the Family Tree (1989)
• Letter (Analog, March 1989) (1989)
• Of Kipling and Me (1989)
• The Ape-Man Within Us (1989)
• Response to "The New Generation Gap" (1989)
• Letter (Crypt of Cthulhu #68) (1989)
• Letter (Analog, February 1990) (1990)
• Letter (Analog, February 1990) (Answers to questions by Joseph F. Hull and Don Barshay) (1990)
• Letter (Analog, February 1990) [2] (1990)
• Letter (Science Fiction Chronicle #126) (1990)
• Letter (Crypt of Cthulhu #71) (1990)
• A Visit to a Royal Historian (1991)
• Addendum (The Swords of Zinjaban) (1991) with Catherine Crook de Camp
• Introduction (The Swords of Zinjaban) (1991) with Catherine Crook de Camp
• Letter (The Barbarian Scroll #15) (1991)
• Letter (Crypt of Cthulhu #77) (1991)
• Foreword (The Pixilated Peeress) (1991) with Catherine Crook de Camp
• The Adventure of Harold Shea (1991)
• Isaac and I (1992)
• Fritz Leiber Appreciation (1992)
• 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 Harlan Ellison and Martin H. Greenberg and Shawna McCarthy and Frederik Pohl and Carl Sagan and Stanley Schmidt and Robert Silverberg and Norman Spinrad and Sheila Williams and Connie Willis and Jane Yolen
• Time & Space (1993)
• The Leiber– de Camp Duel (1993)
• Goat Island (1993)
• Author's Afterword (Rivers of Time) (1993)
• Introduction (At the Earth's Core / A Princess of Mars) (1996)
• Introduction (Rubber Dinosaurs and Wooden Elephants) (1996)
• The Man Who Invented R. & D. (1996)
• The Autobiography of L. Sprague de Camp (excerpts) (1996)
• Introduction to "The Isolinguals" (2003)
• Doing Nothing Defined (2004)
• Author, Author: L. Sprague de Camp (2005) with Donald B. Day
• Letter to Rusty Burke, May 20, 1984 (excerpt) (2005)
• De Camp Responds (2008)
• Pittthing Gaintelling (2020)

• Great Cities of the Ancient World (1972)
• Scribblings (1972)

• Design for Life (Part 2 of 2) (1939) with Willy Ley
• Tales of Conan (Map of the world of Conan) (1955) with David A. Kyle [only as by L. Sprague de Camp and David Kyle]
• A Map of the World of Conan in the Hyborian Age (1966) with John D. Clark, Ph.D. and Robert E. Howard and David A. Kyle and P. Schuyler Miller [also as by John D. Clark and L. Sprague de Camp and Robert E. Howard and David Kyle and P. Schuyler Miller]

• The Origin of Life (1938) by A. I. Oparin
• Animals Without Backbones (1940) by Ralph Buchsbaum
• How Came Civilization? (1941) by Fitzroy Richard Somerset Raglan
• The Books of Charles Fort (1941) by Charles Fort
• The Lungfish and the Unicorn (1941) by Willy Ley
• The Other Worlds (1942) by Phil Stong [only as by J. Wellington Wells]
• Biography of the Earth (1942) by George Gamow
• Witchcraft (1943) by Charles Williams [only as by J. Wellington Wells]
• The Mislaid Charm (1948) by Alexander M. Phillips
• The Well of the Unicorn (1948) by George U. Fletcher
• The Lungfish, the Dodo, and the Unicorn (1949) by Willy Ley
• Slaves of Sleep (1949) by L. Ron Hubbard
• The World Below (1950) by S. Fowler Wright
• The Best Science Fiction Stories: 1949 (1950) by Everett F. Bleiler and T. E. Dikty
• Pebble in the Sky (1950) by Isaac Asimov
• Waldo and Magic, Inc. (1950) by Robert A. Heinlein
• Worlds in Collision (1950) by Immanuel Velikovsky
• Needle (1950) by Hal Clement
• Sidewise in Time (1951) by Murray Leinster
• The Martian Chronicles (1951) by Ray Bradbury
• Conan the Conqueror (1951) by Robert E. Howard
• Science is a Sacred Cow (1951) by Anthony Standen
• Dragons in Amber (1951) by Willy Ley
• City at World's End (1951) by Edmond Hamilton
• The Complete Prophecies of Nostradamus (1952) by Henry C. Roberts (co-reviewed with Robert A. W. Lowndes) [only as by L. Sprague de Camp and Robert W. Lowndes]
• Dead Cities and Forgotten Tribes (1953) by Gordon Cooper
• In the Name of Science (1953) by Martin Gardner
• Index to the Science-Fiction Magazines (1926-1950) (1953) by Donald B. Day
• Modern Science Fiction: Its Meaning and Its Future (1953) by Reginald Bretnor
• The Foundations of Grammatology (1953) by I. J. Gelb
• The Great Beast: The Life of Aleister Crowley (1953) by John Symonds
• The Next Million Years (1953) by Charles Galton Darwin
• The Oldest Stories in the World (1953) by Theodor H. Gaster
• Explorations in Science (1953) by Waldemar Kaempffert
• Flying Saucers (1953) by Donald H. Menzel
• Lost Trails, Lost Cities (1953) by Col. P. H. Fawcett
• Radiocarbon Dating (1953) by Willard F. Libby
• The Impact of Science on Society (1953) by Bertrand Russell
• The Sanger-Bredt Report: A Rocket Drive for Long Range Bombers (1953) by Irene Bredt and
  Eugen Sänger^?Eugen Saenger
• The Uses of the Past: Profiles of Former Societies (1953) by Herbert J. Muller
• King Arthur Today (1954) by Nathan Comfort Starr
• An Index on the Weird & Fantastica in Magazines (1954) by Bradford M. Day
• Scientific American Reader (1954) by Scientific American
• The Making of a Scientist (1954) by Anne Roe
• The Pyramids of Egypt (1954) by I. E. S. Edwards
• The Supernatural in Fiction (1954) by Peter Penzoldt
• The Twelve Pictures (1955) by Edith Simon
• Utopian Fantasy (1955) by Richard Gerber
• A Handbook of Science Fiction and Fantasy (1955) by Donald H. Tuck
• Conan the Barbarian (1955) by Robert E. Howard
• Northwest of Earth (1955) by C. L. Moore
• The Broken Sword (1955) by Poul Anderson
• The Fellowship of the Ring (1955) by J. R. R. Tolkien
• The Immortal Storm: A History of Science Fiction Fandom (1955) by Sam Moskowitz
• The Spoor of Spooks and Other Nonsense (1955) by Bergen Evans
• The Sword of Welleran and Other Tales of Enchantment (1955) by Lord Dunsany
• The Worm Ouroboros (1955) by E. R. Eddison
• The Great Captains (1956) by Henry Treece
• Conquest by Man (1956) by Paul Herrman
• Inquiry Into Science Fiction (1956) by Basil Davenport
• Myth or Legend? (1956) by G. E. Daniel and Denys Lionel Page and Reginald Francis Treharne
• Salamanders and Other Wonders: Still More Adventures of a Romantic Naturalist (1956) by Willy Ley
• The Story of Man (1956) by Carleton S. Coon
• The Tree of Culture (1956) by Ralph Linton
• The Two Towers (1956) by J. R. R. Tolkien
• A Scientific Report on "The Search for Bridey Murphy" (1957) by Milton V. Kline
• Evolution of the Vertebrates (1957) by Edwin H. Colbert
• Inside the Atom (1957) by Isaac Asimov
• Man in Search of his Ancestors (1957) by André Senet
• The Exploration of Mars (1957) by Willy Ley and Wernher von Braun
• The Mountains of Pharaoh (1957) by Leonard Cottrell
• The Abominations of Yondo (1960) by Clark Ashton Smith
• Salammbô (1961) by Gustave Flaubert
• Lost Cities and Vanished Civilizations (1963) by Robert Silverberg
• The Silent Past (Mysterious and Forgotten Cultures of the World) (1963) by Ivar Lissner
• Lost Tribes & Sunken Continents: Myth and Method in the Study of American Indians (1963) by Robert Wauchope
• Stealer of Souls (1964) by Michael Moorcock
• The Serpent (1964) by Jane Gaskell
• The Silent Past (Mysterious and Forgotten Cultures of the World) (1964) by Ivar Lissner
• Over the Edge (1964) by August Derleth
• The Dark Man and Others (1964) by Robert E. Howard
• Gulliver of Mars (1966) by Edwin L. Arnold
• Stormbringer (1966) by Michael Moorcock [only as by L. S. de Camp]
• Gerfalcon (1966) by Leslie Barringer
• Joris of the Rock (1966) by Leslie Barringer
• Shy Leopardess (1966) by Leslie Barringer
• A Gent from Bear Creek (1966) by Robert E. Howard
• Atlan (1966) by Jane Gaskell
• Barbarians of Mars (1966) by Edward P. Bradbury
• Blades of Mars (1966) by Edward P. Bradbury
• Tales of Science and Sorcery (1966) by Clark Ashton Smith
• The Moon of Gomrath (1966) by Alan Garner
• The Sword of Lankor (1966) by Howard L. Cory
• The Weirdstone of Brisingamen (1966) by Alan Garner
• Thongor of Lemuria (1966) by Lin Carter
• Warriors of Mars (1966) by Edward P. Bradbury
• Year of the Unicorn (1966) by Andre Norton
• Maps of the Ancient Sea Kings (1967) by Charles H. Hapgood
• Planet of Exile (1967) by Ursula K. Le Guin
• Rocannon's World (1967) by Ursula K. Le Guin
• The Black Cauldron (1967) by Lloyd Alexander
• The Book of Three (1967) by Lloyd Alexander
• The Castle of Llyr (1967) by Lloyd Alexander
• The City (1967) by Jane Gaskell
• The Pride of Bear Creek (1967) by Robert E. Howard
• The Shield Ring (1967) by Rosemary Sutcliff
• Thief of Llarn (1967) by Gardner F. Fox
• Slaves of Sleep (1968) by L. Ron Hubbard
• The Case of the Friendly Corpse (1968) by L. Ron Hubbard
• The Ultimate Adventure (1968) by L. Ron Hubbard
• Day of the Minotaur (1968) by Thomas Burnett Swann
• Outlaw of Gor (1968) by John Norman
• Taran Wanderer (1968) by Lloyd Alexander
• Tarnsman of Gor (1968) by John Norman
• The Adventures of Gremlin (1968) by DuPre Jones
• The High King (1968) by Lloyd Alexander
• The Jewel in the Skull (1968) by Michael Moorcock
• The Prism (1968) by Emil Petaja
• The Swords of Lankhmar (1968) by Fritz Leiber
• The Weirwoods (1968) by Thomas Burnett Swann
• The Well of the Unicorn (1968) by Fletcher Pratt
• Brak the Barbarian Versus the Mark of the Demons (1970) by John Jakes
• Brak the Barbarian Versus the Sorcerers (1970) by John Jakes
• Bran Mak Morn (1970) by Robert E. Howard
• Jirel of Joiry (1970) by C. L. Moore
• Kandar (1970) by Kenneth Bulmer
• Kavin's World (1970) by David Mason
• Kothar and the Demon Queen (1970) by Gardner F. Fox
• Kothar of the Magic Sword (1970) by Gardner F. Fox
• Kothar, Barbarian Swordsman (1970) by Gardner F. Fox
• Nomads of Gor (1970) by John Norman
• Quest of the Dark Lady (1970) by Quinn Reade
• Star Barbarian (1970) by Dave Van Arnam
• Swordmen of Vistar (1970) by Charles Nuetzel
• The Blue Star (1970) by Fletcher Pratt
• The King of Elfland's Daughter (1970) by Lord Dunsany
• The Last Magicians (1970) by John Jakes
• The Moon of Skulls (1970) by Robert E. Howard
• The Sorcerer's Ship (1970) by Hannes Bok
• The Sword of Morning Star (1970) by Richard Meade
• Witch Queen of Lochlann (1970) by George Henry Smith
• A Wizard of Earthsea (1970) by Ursula K. Le Guin
• At the Edge of the World (1971) by Lord Dunsany
• Deryni Rising (1971) by Katherine Kurtz
• Elidor (1971) by Alan Garner
• Golden Cites, Far (1971) by Lin Carter
• Kelwin (1971) by Neal Barrett, Jr.
• Lord of Blood (1971) by Dave Van Arnam
• Lud-in-the-Mist (1971) by Hope Mirrlees
• Selected Letters (I): 1911-1924 (1971) by H. P. Lovecraft
• Selected Letters (II): 1925-1929 (1971) by H. P. Lovecraft
• Sorcerer's World (1971) by Damien Broderick
• Swords against Tomorrow (1971) by Robert Hoskins
• The Broken Sword (1971) by Poul Anderson
• The Dream-Quest of Unknown Kadath (1971) by H. P. Lovecraft
• The Hand of Kane (1971) by Robert E. Howard
• The Island of the Mighty (1971) by Evangeline Walton
• The Mighty Swordsmen (1971) by Hans Stefan Santesson
• The Shaving of Shagpat (1971) by George Meredith
• The Sorcerer's Skull (1971) by David Mason
• Zothique (1971) by Clark Ashton Smith
• A Modern Look at Monsters (1971) by Daniel Cohen
• Don Rodriguez: Chronicles of Shadow Valley (1971) by Lord Dunsany
• Fear & The Ultimate Adventure (1971) by L. Ron Hubbard
• Horrors Unknown (1971) by Sam Moskowitz
• Hyperborea (1971) by Clark Ashton Smith
• Mysterious Places (1971) by Daniel Cohen
• Red Blades of Black Cathay (1971) by Robert E. Howard and Tevis Clyde Smith
• Solomon Kane (1971) by Robert E. Howard
• The Crystal Cave (1971) by Mary Stewart
• Echoes from an Iron Harp (1972) by Robert E. Howard
• Guardians of the Gate (1972) by Jacquelyn Trimble and Louis Trimble
• Masters of the Occult (1972) by Daniel Cohen
• Mysteries beneath the Sea (1972) by William R. Corliss
• Raiders of Gor (1972) by John Norman
• Selected Letters (III) 1929-1931 (1972) by H. P. Lovecraft
• Selected Poems (1972) by Clark Ashton Smith
• Warlocks and Warriors (1972) by Douglas Hill
• Lord Dunsany: A Biography (1973) by Mark Amory
• Grotesques and Fantastiques (1973) by Clark Ashton Smith
• Marchers of Valhalla (1973) by Robert E. Howard
• The Sowers of the Thunder (1973) by Robert E. Howard
• A Quest for Simbilis (1974) by Michael Shea
• Cults of Unreason (1974) by Christopher Evans (I)
• Excalibur (1974) by Sanders Anne Laubenthal
• Heroes and Villains (1974) by Angela Carter
• High Deryni (1974) by Katherine Kurtz
• Mention My Name in Atlantis (1974) by John Jakes
• Swords of the Barbarians (1974) by Kenneth Bulmer
• The Return of Kavin (1974) by David Mason
• The Vultures (1974) by Robert E. Howard
• Wandor's Ride (1974) by Roland Green
• Worms of the Earth (1974) by Robert E. Howard
• The Incredible Adventures of Dennis Dorgan (1975) by Robert E. Howard
• Tigers of the Sea (1975) by Robert E. Howard
• Hadon of Ancient Opar (1975) by Philip José Farmer
• Kyrik: Warlock Warrior (1975) by Gardner F. Fox
• Lovecraft at Last (1975) by H. P. Lovecraft and Willis Conover
• Wandor's Journey (1975) by Roland Green
• Chariots of the Gods? (1976) by
  Erich von Däniken^?Erich von Daeniken
• Howard Phillips Lovecraft: Dreamer on the Nightside (1976) by Frank Belknap Long
• Kyrik Fights the Demon World (1976) by Gardner Fox
• Sword of the Gael (1976) by Andrew J. Offutt
• The Grim Land and Others (1976) by Jonathan Bacon
• The Science Fiction Book (1976) by Franz Rottensteiner
• Black Vulmea's Vengeance & Other Tales of Pirates (1977) by Robert E. Howard
• Eaters of the Dead (1977) by Michael Crichton
• Legion from the Shadows (1977) by Karl Edward Wagner
• The Book of Robert E. Howard (1977) by Robert E. Howard
• The Deep (1977) by John Crowley
• The Last Celt: A Bio-Bibliography of Robert Ervin Howard (1977) by Glenn Lord
• Always Comes Evening (1978) by Robert E. Howard
• Far Lands, Other Days (1978) by E. Hoffmann Price
• Gate of Ivrel (1978) by C. J. Cherryh
• Son of the White Wolf (1978) by Robert E. Howard
• The Sign of the Moonbow (1978) by Andrew J. Offutt
• The Sword of Shannara (1978) by Terry Brooks
• The Dinosaurs (1982) by William Service and William Stout
• The Golden Horn (1982) by Poul Anderson
• The Road of the Sea Horse (1982) by Poul Anderson
• The Sign of the Raven (1982) by Poul Anderson

• L. Sprague de Camp: Interview (1975) by Darrell Schweitzer
• An Interview with L. Sprague de Camp (1975) by Darrell Schweitzer
• An Interview with L. Sprague de Camp (follow-up) (1975) by Richard E. Geis
• Interview: L. Sprague de Camp (1976) by uncredited
• L. Sprague de Camp (1979) by Tom Geddie
• Orbit Interview: L. Sprague de Camp [Dutch] (1981) by Darrell Schweitzer
• The Golden Aged (1988) by uncredited (co-interviewed with Jack Williamson and Catherine Crook de Camp)
• L. Sprague de Camp [French] (1996) by Bruno Peeters
• Interview (The Gothic Imagination) (2011) by John C. Tibbetts (co-interviewed with Catherine Crook de Camp)

• The Bronze God of Rhodes (1960)
• The Dragon of the Ishtar Gate (1961)
• The Arrows of Hercules (1965)
• The Golden Wind (1969)

• Engines (1959)
• Ancient Ruins and Archaeology (1962) with Catherine Crook de Camp only appeared as:
  • Variant: Ancient Ruins and Archaeology (1962) [as by Catherine C. de Camp and L. Sprague de Camp]
  • Variant: Citadels of Mystery (1972) [as by Catherine C. de Camp and L. Sprague de Camp]
• Energy and Power (1962)
• The Ancient Engineers (1963)
• Elephant (1964)
• Darwin and His Great Discovery (1972) with Catherine Crook de Camp
• Great Cities of the Ancient World (1972)