Note: There are other authors with the same name: H. P. Lovecraft (in error)
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Novels
- At the Mountains of Madness (1936)
- Cthulhu hívása [Hungarian] (1993)
- The Case of Charles Dexter Ward (1943)
- The Eerie Adventures of the Lycanthrope Robinson Crusoe (2010) with Peter Clines and Daniel Defoe
- The Lurker at the Threshold (1945) with August Derleth
-
Το Κάλεσμα του Κθούλου και Δαγών?To Kalesma toe Kthoύloe kai Thayon[Greek] (2016)
To Kalesma toe Kthouloe kai Thayon - 3 Tales of Horror (1967)
- A Winter Wish and Other Poems (1977)
- At the Mountains of Madness and Other Novels (1964)
- At the Mountains of Madness and Other Stories (2017)
- At the Mountains of Madness and Other Tales of Terror (1968)
- At the Mountains of Madness and Other Weird Tales (2009)
- At the Mountains of Madness and Other Works of Weird Fiction (2011)
- Berge des Wahnsinns [German] (1970)
- Best Supernatural Stories of H. P. Lovecraft (1945)
- Beyond the Wall of Sleep (1943)
- Black Seas of Infinity (2001)
- Chronik des Cthulhu-Mythos, Band I [German] (2011)
- Chronik des Cthulhu-Mythos, Band II [German] (2011)
- Collected Fiction Volume 1: 1905-1925: A Variorum Edition (2016)
- Collected Fiction Volume 3: 1931-1936: A Variorum Edition (2016)
- Collected Fiction Volume 4 (Revisions and Collaborations): A Variorum Edition (2017)
- Collected Poems (1963)
- Collected Poetical Works (unpublished)
- Collected Public Domain Works of H. P. Lovecraft (2008)
- Colui che sussurrava nel buio [Italian] (1983)
- Contos reunidos do mestre do horror cósmico [Portuguese] (2021) with Bruno Costa
- Crawling Chaos (1993)
- Crawling Chaos Selected Weird Fiction Volume 2: 1928-1935 (2013)
- Crawling Chaos Selected Weird Fiction Volume One: 1917-1927 (2012)
- Creeping Dementia (2007)
- Cthlhu 1 [Swedish] (1988)
- Cthlhu 2 [Swedish] (1988)
- Cthulhu [German] (2009)
- Cthulhu Mythos Tales (2017)
- Cthulhu: Geistergeschichten [German] (1968)
- Cthulhu: Le mythe [French] (2012)
- Cthulhu: Le mythe - Livre II [French] (2015)
- Cthulhus Ruf: Das Lesebuch [German] (2019)
- Da un altro mondo [Italian] (1995)
- Dagon and Other Macabre Tales (1965)
- Dagon and Other Tales of the Macabre Cycle (2010)
- Dagon et autres récits d'horreur [French] (2016)
- Dans l'abîme du temps [French] (1954)
- Dark Dreamlands (2016)
- Das Ding auf der Schwelle: Unheimliche Geschichten [German] (1969)
- Das Grauen aus den Bergen [German] (2013) with Frank Belknap Long
- Das Grauen im Museum [German] (1984)
- Das Haar der Medusa [German] (2017)
- Das schleichende Chaos [German] (2006)
- Der Fall Charles Dexter Ward [German] (1971)
- Der geflügelte Tod [German] (2017)
- Der kosmische Schrecken [German] (2005)
- Die geliebten Toten [German] (2017)
- Die Großen Alten [German] (2010)
- Die lauernde Furcht [German] (2013)
- Dreams and Fancies (1962)
-
Démons et merveilles?Demons et merveilles[French] (1955)
- El color que cayó del cielo [Spanish] (2004)
- El color que surgió del espacio y otros cuentos [Spanish] (1983)
- El Tumulo [Spanish] (2004)
- Eldritch Tales: A Miscellany of the Macabre (2011)
- En La Cripta [Spanish] (2004)
- Essais - Correspondance - Poésie - Révisions [French] (2021)
- Ex Oblivione: The Prose Poems of H. P. Lovecraft, Volume II (1969)
- From the Pest Zone: The New York Stories (2003)
- Fungi from Yuggoth (1943)
- Fungi From Yuggoth (2013)
- Fungi from Yuggoth and Other Poems (2016)
- Griezelverhalen [Dutch] (1982)
- H. P. Lovecraft (2013)
- H. P. Lovecraft Fiction Collection (2011)
- H. P. Lovecraft Goes to the Movies: The Classic Stories That Inspired the Classic Horror Films (2011)
- H. P. Lovecraft Omnibus 1: At the Mountains of Madness and Other Novels of Terror (1985)
- H. P. Lovecraft Short Stories (2017)
- H. P. Lovecraft's Collected Fiction: A Variorum Edition (2015)
- H. P. Lovecraft's Creatures and Monsters - A Collection of Short Stories (2012)
- H. P. Lovecraft's Tales from the Dream Cycle - A Collection of Short Stories (2012)
- H. P. Lovecraft's Tales in the Cthulhu Mythos - A Collection of Short Stories (2012)
- H. P. Lovecraft's Tales of Strange Cities - A Collection of Short Stories (2012)
- H. P. Lovecraft: Das Gesamtwerk I [German] (2020)
- H. P. Lovecraft: Das Gesamtwerk II [German] (2020)
- H. P. Lovecraft: Das Gesamtwerk III [German] (2020)
- H. P. Lovecraft: Das Gesamtwerk IV [German] (2020)
- H. P. Lovecraft: Das Gesamtwerk V [German] (2020)
- H. P. Lovecraft: Das Gesamtwerk VI [German] (2020)
- H. P. Lovecraft: Great Tales of Horror (2012)
- H. P. Lovecraft: Juvenilia, 1895-1905 (1984)
- H. P. Lovecraft: The Complete Fiction (2017)
- H. P. Lovecraft: The Complete Omnibus, Volume I: 1917-1926 (2016) with Finn J. D. John
- H.P. Lovecraft: Masters of the Weird Tale (2010)
- H.P. Lovecraft: Selected Works, Critical Perspectives and Interviews on His Influence (2018)
- H.P. Lovecraft: The Complete Fiction Omnibus Collection: The Prime Years: 1926-1936 (2018) with Finn J. D. John
- H.P. Lovecraft: The Complete Fiction Omnibus: The Early Years: 1908-1925 (2018) with Finn J. D. John
- Hallowe'en in a Suburb & Others: The Complete Poems from Weird Tales (2010)
- Heksensabbat [Dutch] (1969)
- Herbert West: Reanimador [Portuguese] (2008)
- Het gefluister in de duisternis [Dutch] (1968)
- Het huis in de nevel [Dutch] (1976)
- I miti dell'orrore [Italian] (1990)
- I mostri all'angolo della strada [Italian] (1980)
- In der Gruft und andere makabre Geschichten [German] (1982)
- Je suis d'ailleurs [French] (1961)
- L'abomination de Dunwich [French] (1997)
- L'Appel de Cthulhu: The Call of Cthulhu [French] (2013)
- La casa delle streghe e altri racconti [Italian] (1967)
-
La couleur tombée du ciel?La couleur tombee du ciel[French] (1954)
-
La couleur tombée du ciel: suivi de: La chose sur le seuil?La couleur tombee du ciel: suivi de: La chose sur le seuil[French] (2015)
- La Llave de Plata [Spanish] (2004)
-
La peur qui rôde et autres nouvelles?La peur qui rode et autres nouvelles[French] (2006)
- La sombra sobre Innsmouth [Spanish] (2004)
- La sombra sobre Innsmouth y El que susurra en las tinieblas [Spanish] (2004)
- Le cauchemar d'Innsmouth [French] (1995)
- Le cycle de Providence [French] (2021)
- Le mythe de Cthulhu [French] (1996)
- Les autres dieux [French] (1995)
- Les contrées du rêve [French] (2010)
- Les contrées du rêve [French] (2018)
- Les montagnes hallucinées [French] (2013)
- Les trois histoires new-yorkaises [French] (2018)
- Lovecraft's Best Short Stories (2009)
- Lovecraft's Scariest Stories (2020)
- Lovecraft: Easy to Read: Completely Revised and Abridged (2018)
- Macabere verhalen [Dutch] (1967)
- Macabre Stories (2017)
- Marginalia (1944)
- Medusa's Coil and Others: The Annotated Revisions and Collaborations of H. P. Lovecraft, Volume 2 (2012)
- Memory: The Prose Poems of H. P. Lovecraft, Volume II (1969)
- Miscellaneous Writings (1995)
- More Annotated H. P. Lovecraft (1999)
- Namenlose Kulte [German] (2006)
- Necronomicon [German] (2007)
- Necronomicon: The Best Weird Tales of H. P. Lovecraft (2008)
- Night Ocean et autres nouvelles [French] (1986)
- Nyarlathotep: The Prose Poems of H. P. Lovecraft, Volume III (1969)
- O ciclo de Yig [Portuguese] (2018)
- O intruso [Portuguese] (2004)
- O mundo fantástico de H. P. Lovecraft [Portuguese] (2016)
- Os demónios de Randolph Carter [Portuguese] (1973)
- Os Melhores Contos de Howard Philips Lovecraft 1º volume [Portuguese] (2005)
- Os melhores contos de Howard Philips Lovecraft, 2º volume [Portuguese] (2007)
- Os melhores contos de Howard Philips Lovecraft, 3º volume [Portuguese] (2008)
- Os Melhores Contos de Howard Philips Lovecraft, 4º volume [Portuguese] (2009)
- Re-Animator und weitere Erzählungen [German] (2019)
- Reanimator (2015)
- Relatos de Terror [Galician] (1999)
- Relatos Fantásticos [Galician] (1999)
- Roddy McDowall Reads the Horror Stories of H. P. Lovecraft (1962)
- Récits horrifiques: Contes de jeunesse - récits humoristiques [French] (2021)
- Selected Poetry (First Series) (1953)
- Selected Poetry (Second Series) (1955)
- Seven H. P. Lovecraft Stories (2013)
- Shadows of Death (2005)
- Something About Cats and Other Pieces (1949)
- Stadt ohne Namen [German] (1973)
- Stories of the Dreamlands (2017)
- Supernatural Horror in Literature & Other Literary Essays (2011)
- Tales (2005)
- Tales of H. P. Lovecraft (1997)
- Tales of Horror (2017)
- Tales of Terror (2019)
- Temppeli, Nimetön kaupunki ja muita kertomuksia [Finnish] (1999)
- The Ancient Track: The Complete Poetical Works of H. P. Lovecraft (2001)
- The Annotated H. P. Lovecraft (1997)
- The Battle That Ended the Century / Collapsing Cosmoses (1992) with R. H. Barlow
- The Best of H. P. Lovecraft (2010)
- The Best of H. P. Lovecraft (2021)
- The Best of H. P. Lovecraft - A Collection of Short Stories (2012)
- The Best of H. P. Lovecraft: Bloodcurdling Tales of Horror and the Macabre (1982)
- The Best of H. P. Lovecraft: Tales That Truly Terrify from the Master of Horror (2012)
- The Call of Cthulhu (2016)
- The Call of Cthulhu and Other Dark Tales (2009)
- The Call of Cthulhu and Other Stories (2017)
- The Call of Cthulhu and Other Stories (2022)
- The Call of Cthulhu and Other Tales of the Lovecraft Mythos (2011)
- The Call of Cthulhu and Other Weird Stories (1999)
- The Call of Cthulhu and Other Weird Tales (2011)
- The Cats of Ulthar and Other Stories (unpublished)
- The Classic Horror Stories (2013)
- The Colour Out of Space (2011)
- The Colour Out of Space (2020)
- The Colour Out of Space / A cor que caiu do espaço [Portuguese] (2014)
- The Colour Out of Space and Others (1964)
- The Complete Cthulhu Mythos Tales (2013)
- The Complete Tales of H. P. Lovecraft (2019)
- The Complete Works of H. P. Lovecraft (2020)
- The Crawling Chaos and Others: The Annotated Revisions and Collaborations of H. P. Lovecraft, Volume 1 (2012)
- The Dark Worlds of H. P. Lovecraft, Volume 7 (2007)
- The Dark Worlds of H. P. Lovecraft, Volume 8 (2007)
- The Doom That Came to Sarnath (1971)
- The Dream Cycle of H. P. Lovecraft (1995)
- The Dream-Quest of Unknown Kadath (1970)
- The Dream-Quest of Unknown Kadath and Other Oneiric Works (2011)
- The Dreams in the Witch House and Other Weird Stories (2004)
- The Dunwich Horror (1945)
- The Dunwich Horror and Other Stories (2017)
- The Dunwich Horror and Other Weird Tales (1945)
- The Dunwich Horror and Others (1963)
- The Dunwich Horror and Others (abridged) (1963)
- The Essential Tales of H. P. Lovecraft (2021)
- The Fantastic Poetry (1990)
- The Gothic Stories of H. P. Lovecraft (2018)
- The H. P. Lovecraft Christmas Book (1984)
- The H. P. Lovecraft Collection (2015)
- The H. P. Lovecraft Collection: Classic Tales of Cosmic Horror (2016)
- The H. P. Lovecraft Collection: Classic Tales of Cosmic Horror (2016)
- The H. P. Lovecraft Omnibus 2: Dagon and Other Macabre Tales (1985)
- The H. P. Lovecraft Omnibus 3: The Haunter of the Dark and Other Tales (1985)
- The Haunter of the Dark (1951)
- The Hoard of the Wizard-Beast and One Other (1994) with R. H. Barlow
- The Horror in the Burying Ground (1975)
- The Horror in the Museum and Other Revisions (1970)
- The Horror in the Museum and Other Tales (1975)
- The Loved Dead and Other Revisions (1997)
- The Lurking Fear (2013)
- The Lurking Fear and Other Stories (1947)
- The Lurking Fear and Other Stories (1964)
- The Lurking Fear and Other Stories (1971)
- The Lurking Fear, The Music of Erich Zann, The Other Gods (2016)
- The Music of Erich Zann (2016) with Erick Wofford
- The Music of Erich Zann, The Nameless City, and Nyarlathotep (2008)
- The New Annotated H. P. Lovecraft (2014)
- The New Annotated H. P. Lovecraft: Beyond Arkham (2019)
- The Outsider and Others (1939)
- The Randolph Carter Tales (2017)
- The Shadow Out of Time and Other Tales of Horror (1968) with August Derleth
- The Shadow Over Innsmouth and Other Stories of Horror (1971)
- The Shuttered Room and Other Tales of Horror (1970) with August Derleth
- The Shuttered Room and Other Tales of Terror (1971) with August Derleth
- The Survivor and Others (1957) with August Derleth
- The Thing on the Doorstep and Other Weird Stories (2001)
- The Tomb and Other Tales (1969)
- The Transition of H. P. Lovecraft: The Road to Madness (1996)
- The Ultimate Illustrated Weird Tales Collection, Pt. 1 (2020)
- The Watchers Out of Time and Others (1974) with August Derleth
- The Weird Shadow Over Innsmouth and Other Stories of the Supernatural (1944)
- The Weird Writings of H. P. Lovecraft: Vol 1 (2010)
- The Weird Writings of H. P. Lovecraft: Vol 2 (2010)
- The Whisperer in Darkness (2007)
- The Zombie Stories of H. P. Lovecraft (2015)
- Tutti i racconti 1897-1922 [Italian] (1989)
- Uncollected Prose & Poetry III (1982)
- Uncollected Prose and Poetry (1978)
- Uncollected Prose and Poetry 3 (1982)
- Uncollected Prose and Poetry II (1980)
- Vom Jenseits [German] (2005)
- Waking Up Screaming: Haunting Tales of Terror (2003)
- What the Moon Brings: The Prose Poems of H. P. Lovecraft, Volume IV (1970)
- At the Mountains of Madness, The Call of Cthulhu and The Music of Erich Zann (2014) [O]
- Classic Tales of Science Fiction & Fantasy (2016) [O] with Edgar Rice Burroughs and Arthur Conan Doyle and Jack London and Jules Verne and H. G. Wells
- Collected Essays: Complete (2008) [O]
- Collected Fiction Volume 2: 1926-1930: A Variorum Edition (2016) [O]
- Cthulhu: Le mythe - Livre III [French] (2016) [O]
- Der silberne Schlüssel [German] (2013) [O]
- H. P. Lovecraft: Das Gesamtwerk [German] (2020) [O/1-6]
- Howard Phillips Lovecraft 1 [French] (1991) [O]
- Intégrale [French] (2021) [O]
- Invasion der Tiefen Wesen [German] (2014) [O] with Brian Lumley
- Les montagnes hallucinées: suivi de: Dans l'abîme du temps [French] (1996) [O]
-
Par-delà le mur du sommeil?Par-dela le mur du sommeil[French] (1956) [O]
- The Call of Cthulhu and At the Mountains of Madness: Two Tales of the Mythos (2018) [O]
- The Classic H. P. Lovecraft Collection (2020) [O]
- The Complete Weird-Fiction Works of H.P. Lovecraft: In One Volume (2019) [O] with Finn J. D. John
- The Complete Works (2016) [O]
- The Essential Tales of H.P. Lovecraft (2016) [O]
- The Fiction: Complete and Unabridged (2008) [O]
- The H. P. Lovecraft Collection (2017) [O]
- The H. P. Lovecraft Omnibus 1: At the Mountains of Madness and Other Novels of Terror (1985) [O]
- The World of H. P. Lovecraft (1971) [O] with August Derleth
- Bis dass die Zeit den Tod besiegt [German] (2011) with Tim Curran
- H.P. Lovecraft: The Complete Fiction Omnibus: Supplement A: Collaborations & Ghostwritings (2017) with Finn J. D. John
- Howard Phillips Lovecraft 3 [French] (1992)
-
La chose des ténèbres?La chose des tenebres[French] (1989) with August Derleth
- O Mundo Fantástico de H. P. Lovecraft (Volume 2) [Portuguese] (2020)
- The Challenge from Beyond (1990) with Robert E. Howard and Murray Leinster and Frank Belknap Long and A. Merritt and C. L. Moore and Edward E. Smith and Harl Vincent and Donald Wandrei and Stanley G. Weinbaum
- The Tales of Inspector Legrasse (2005) with C. J. Henderson
- Alcestis: A Play (1985) with Sonia Greene
- An Epistle to Francis, Ld. Belknap (1987)
- An Epistle to the Rt. Honorable Mauric Wnter Moe, Esq. of Zythopolis, in the Northwest Territory of HIS MAJESTY's American Dominion by L. Theobald, Jun. (1987)
- Antarktos (1977)
- Beyond the Wall of Sleep (2014)
- Collapsing Cosmoses (1977) with R. H. Barlow
- Dagon (2019)
- Der Flüsterer im Dunkeln [German] (2018)
- Der Schatten aus der Zeit [German] (1992)
- H.P. Lovecraft's the Call of Cthulhu for Beginning Readers (2017) with R. J. Ivankovic
- He (2022)
- Herbert West Reanimator (1977)
- History of the Necronomicon (1938)
- In the Walls of Eryx (2012)
- L'appel de Cthulhu: suivi de Notes sur l'écriture de la fiction surnaturelle [French] (2015)
- La cité sans nom [French] (2019)
- Out of the Aeons (2012)
- Pickman's Model (2019)
- Schatten über Innsmouth [German] (1990)
- The Alchemist (2012)
- The Call of Cthulhu (2010)
- The Cats of Ulthar (1935)
- The Challenge from Beyond (1954) with Robert E. Howard and Frank Belknap Long and A. Merritt and C. L. Moore
- The Challenge from Beyond (2012)
- The Challenge from Beyond Drafts (2020) with Robert E. Howard and Frank Belknap Long and A. Merritt and C. L. Moore
- The Colour Out of Space (2014)
- The Colour Out of Space (2022)
- The Doom That Came to Sarnath (2014)
- The Dream-Quest of Unknown Kadath (1955)
- The Dreams in the Witch House (2012)
- The Dunwich Horror (2012)
- The Festival (2022)
- The Horror at Red Hook (2012)
- The Hound (2019)
- The Illustrated Call of Cthulhu (2018)
- The Lurking Fear (2014)
- The Mound (2016)
- The Mound (2018) with Zealia Bishop
- The Music of Erich Zann (2014)
- The Night Ocean (1982) with R. H. Barlow
- The Outsider (2019)
- The Rats in the Walls (2012)
- The Shadow Out of Time (2010)
- The Shadow Out of Time: The Corrected Text (2001)
- The Shadow Over Innsmouth (1936)
- The Shunned House (1928)
- The Temple (2022)
- The Trap (2012)
- The Whisperer in Darkness (2008)
- The Young Folks' Ulysses (1982)
- Under the Pyramids (2012)
- Winged Death (2012)
-
Γάτες και Σκύλοι?Yates kai Skύloi[Greek] (2012)
- A Means to Freedom: The Letters of H. P. Lovecraft and Robert E. Howard Volume 1: 1930-1932 (2009) with Robert E. Howard
- A Means to Freedom: The Letters of H. P. Lovecraft and Robert E. Howard Volume 2: 1933-1936 (2009) with Robert E. Howard
- Against Religion: The Atheist Writings of H. P. Lovecraft (2010)
- Autobiographical Writings (1992)
- Autobiography: Some Notes on a Nonentity (1963)
- Biografia di uno scrittore da quattro soldi [Italian] (2013)
- Collected Essays Volume 1: Amateur Journalism (2004)
- Collected Essays Volume 2: Literary Criticism (2004)
- Collected Essays Volume 3: Science (2005)
- Collected Essays Volume 4: Travel (2006)
- Collected Essays Volume 5: Philosophy; Autobiography and Miscellany (2007)
- Commonplace Book [French] (2016)
- Dawnward Spire, Lonely Hill: The Letters of H. P. Lovecraft and Clark Ashton Smith (2017) with Clark Ashton Smith
- Ec'h-Pi-El Speaks: An Autobiographical Sketch by H. P. Lovecraft (1972)
- Essential Solitude: The Letters of H. P. Lovecraft and August Derleth (2008) with August Derleth and S. T. Joshi and David E. Schultz
- European Glimpses (1988) with Sonia Greene
- First Writings, Pawtuxet Valley Gleaner, 1906 (1976)
- H. P. Lovecraft: Letters to Henry Kuttner (1990)
- H. P. Lovecraft: Letters to Maurice W. Moe and Others (2017) with S. T. Joshi and David E. Schultz
- H. P. Lovecraft: Letters to Richard F. Searight (1992)
- H. P. Lovecraft: Letters to Robert Bloch (1993)
- H.P. Lovecraft: Letters to C. L. Moore and Others (2017) with S. T. Joshi and David E. Schultz
- Hail, Klarkash-Ton!: Being Nine Missives Inscribed Upon Postcards (1971)
- In Defence of Dagon (1985) with S. T. Joshi
- Letters From New York (2005)
- Letters to Alfred Galpin (2003)
- Letters to Elizabeth Toldridge and Anne Tillery Renshaw (2014) with S. T. Joshi and David E. Schultz
- Letters to James F. Morton (2011)
- Letters To Rheinhart Kleiner (2005)
- Letters to Robert Bloch and Others (2015) with S. T. Joshi and David E. Schultz
- Letters to Wilfred B. Talman and Helen V. and Genevieve Sully (2019)
- Lord of a Visible World: An Autobiography in Letters (1999)
- Lovecraft at Last (1975) with Willis Conover
- Mysteries of Time and Spirit: Letters of H. P. Lovecraft and Donald Wandrei (2002) with S. T. Joshi and David E. Schultz and Donald Wandrei
- O Fortunate Floridian: H. P. Lovecraft's Letters to R. H. Barlow (2007)
- O terror sobrenatural na literatura [Portuguese] (2006)
- Selected Essays (First Series) (1952)
- Selected Essays (Second Series) (1953)
- Selected Letters (unpublished)
- Selected Letters: 1911—1924 (1965)
- Selected Letters: 1925—1929 (1968)
- Selected Letters: 1929—1931 (1971)
- Selected Letters: 1932—1934 (1976)
- Selected Letters: 1934—1937 (1976)
- Supernatural Horror in Literature (1945)
- The Amateur Journalist (1955)
- The Annotated Supernatural Horror in Literature (2000)
- The Boiling Point (1985) with Forrest J. Ackerman and Clark Ashton Smith
- The Californian: 1934-1938 (1977)
- The Conservative (1990)
- The Conservative: Complete, 1915-1923 (1976)
- The Conservative: The Complete Issues 1915-1923 (2013)
- The Notes & Commonplace Book Employed by the Late H. P. Lovecraft (1938)
- The Occult Lovecraft (1975) with Anthony Raven
- The Vivisector (1990)
- To Quebec and the Stars (1976)
- Uncollected Letters (1986) with S. T. Joshi
- Writings in the United Amateur, 1915-1922 (2009)
- Writings in the United Amateur, 1915-1925 (1976)
- Yr Obt Servt: Some Postcards of Howard Phillips Lovecraft Sent to Wilfred Blanch Talman (1988)
- "The Pool," Recommendations for Revision—Synopsis (1987)
- "The White Ship": A Holographic Manuscript (1974)
- "Till All the Seas" (1935) with R. H. Barlow
-
永劫より?Eigō Yori[Japanese] (1972) with Hazel Heald
- A Reminiscence of Dr. Samuel Johnson (1917)
- Alcestis: A Play (1985) with Sonia Greene
- ALHAZRED, Abdul. The Necronomicon [Al Azif] (2014)
- Arthur Jermyn (2008) [graphic format] with Richard Corben
- Ashes (1924) with C. M. Eddy, Jr.
- Azathoth (1922)
- Beyond the Wall of Sleep (1919)
- Celephaïs (1922)
- Christmastide (unknown)
- Collapsing Cosmoses (1935) with R. H. Barlow
- Cool Air (1928)
- Cool Air (2018)
- Dagon (1919)
- Dagon (2008) [graphic format] with Richard Corben
- Dagon (2018)
- Dagon (Excerpt) [French] (2019)
- Deaf, Dumb and Blind (1925) with C. M. Eddy, Jr.
- Discarded Draft of "The Shadow Over Innsmouth" (1949)
- Four O'Clock (1949) with Sonia Greene
- From At the Mountains of Madness (2004)
- From Beyond (1934)
- from The Call of Cthulhu (2000)
- He (1926)
- Herbert West, réanimateur [French] (2016)
- Herbert West: Reanimator (1922)
- History of the Necronomicon (1938)
- HP's Mad Gibs (2020) with Norm Sherman
- Hypnos (1922)
- Ibid (1938)
- Imprisoned with the Pharaohs (1924)
- In the Vault (1925)
- In the Vault (2018)
- In the Walls of Eryx (1939) with Kenneth Sterling
- Innsmouth Clay (1971) with August Derleth
- John, the Detective (unpublished)
- Life and Death (unpublished)
- Medusa's Coil (1930) with Zealia Bishop
- Monster of Terror (1927)
- More Chain Lightning (1984)
- Nyarlathotep (1920)
- O descendente [Portuguese] (2021)
- O Inominável [Portuguese] (2021)
- O visitante das trevas [Portuguese] (2021)
- Old Bugs (1959)
- Out of the Eons (1935) with Hazel Heald
- Pickman's Model (1927)
- Poetry and the Gods (1920) with Anna Helen Crofts
- Polaris (1920)
- Story outline for "At the Mountain of Madness" (2015)
- Swallowed! (2006) with Stephen M. Wilson
- Sweet Ermengarde (1943)
- The Alchemist (1916)
- The Ancestor (1957) with August Derleth
- The Battle That Ended the Century (1934) with R. H. Barlow
- The Beast in the Cave (1918)
- The Bell in the Tower (1989) with Lin Carter
- The Black Tome of Alsophocus (1980) with Martin S. Warnes
- The Book (1938)
- The Call of Cthulhu (1928)
- The Call of Cthulhu (1994) with John Coulthart
- The Call of Cthulhu (excerpt) (1991)
- The Cancer of Superstition (1966) with C. M. Eddy, Jr.
- The Cats of Ulthar (1920)
- The Challenge from Beyond (1935) with Robert E. Howard and Frank Belknap Long and A. Merritt and C. L. Moore
- The Colour Out of Space (1927)
- The Crawling Chaos (1921) with Winifred V. Jackson
- The Crawling Chaos (1939) with W. V. Jackson
- The Curse of Yig (1929) with Zealia Bishop
- The Dark Brotherhood (1966) with August Derleth
- The Descendant (1926)
- The Diary of Alonzo Typer (1938) with William Lumley
- The Disinterment (1935) with Duane W. Rimel
- The Doom That Came to Sarnath (1920)
- The Dream-Quest of Unknown Kadath (1943)
- The Dreams in the Witch-House (1933)
- The Dunwich Horror (1929)
- The Dunwich Horror (excerpt) (1999)
- The Electric Executioner (1930) with Adolphe de Castro
- The Evil Clergyman (1939)
- The Festival (1925)
- The Fisherman of Falcon Point (1959) with August Derleth
- The Fragments at the Threshold (1982)
- The Gable Window (1957) with August Derleth
- The Ghost-Eater (1924) with C. M. Eddy, Jr.
- The Green Meadow (1918) with Winifred V. Jackson
- The Haunted House (unpublished)
- The Haunter of the Dark (1936)
- The Hoard of the Wizard-Beast (1933) with R. H. Barlow
- The Hoard of the Wizard-Beast (facsimile reproduction of the original manuscript) (1933) with R. H. Barlow
- The Horror at Red Hook (1927)
- The Horror at Red Hook (2018)
- The Horror from the Middle Span (1967) with August Derleth
- The Horror in the Burying-Ground (1933) with Hazel Heald
- The Horror in the Museum (1933) with Hazel Heald
- The Hound (1924)
- The Invisible Monster (1923) with Sonia Greene
- The Lamp of Alhazred (1957) with August Derleth
- The Last Test (1928) with Adolphe de Castro
- The Little Glass Bottle (1959)
- The Loved Dead (1924) with C. M. Eddy, Jr.
- The Lurking Fear (1928)
- The Man of Stone (1932) with Hazel Heald
- The Messenger (excerpt) (1991)
- The Moon-Bog (1926)
- The Mound (1940) with Zealia Bishop
- The Music of Erich Zann (1922)
- The Music of Erich Zann (2008) [graphic format] with Richard Corben
- The Mysterious Ship (1959)
- The Mysterious Ship (long version) (2008)
- The Mysterious Ship (short version) (2008)
- The Mystery of Murdon Grange (unpublished)
- The Mystery of the Grave-Yard, or "A Dead Man's Revenge": A Detective Story (1959)
- The Nameless City (1921)
- The Night Ocean (1936) with R. H. Barlow
- The Noble Eavesdropper (unpublished)
- The Other Gods (1933)
- The Outsider (1926)
- The Outsider (excerpt) (2014)
- The Peabody Heritage (1957) with August Derleth
- The Picture (unpublished)
- The Picture in the House (1919)
- The Plague Demon (1974)
- The Quest of Iranon (1935)
- The Rats in the Walls (1924)
- The Rats in the Walls (1956)
- The Rats in the Walls (excerpt) (2000)
- The Secret Cave, or John Lees Adventure (1959)
- The Secret of the Grave (unpublished)
- The Shadow in the Attic (1964) with August Derleth
- The Shadow Out of Space (1957) with August Derleth
- The Shadow Out of Time (1936)
- The Shadow Over Innsmouth (1936)
- The Shadow Over Innsmouth (excerpt) (1994)
- The Shadow Over Innsmouth (First Draught) (1944)
- The Shunned House (1928)
- The Shuttered Room (1959) with August Derleth
- The Shuttered Room (excerpt) (1964) with August Derleth
- The Silver Key (1929)
- The Silver Key (excerpt) (1929)
- The Slaying of the Monster (1933) with R. H. Barlow
- The Slaying of the Monster (facsimile reproduction of the original manuscript) (1933) with R. H. Barlow
- The Snouted Thing (1979) with J. Vernon Shea
- The Sorcery of Aphlar (1934) with Duane W. Rimel
- The Statement of Randolph Carter (1920)
- The Strange High House in the Mist (1931)
- The Street (1920)
- The Survivor (1954) with August Derleth
- The Temple (1925)
- The Terrible Old Man (1921)
- The Terrible Old Man (2018)
- The Thing in the Moonlight (1941)
- The Thing in the Moonlight (1969) with Brian Lumley
- The Thing on the Doorstep (1937)
- The Tomb (1922)
- The Transition of Juan Romero (1919)
- The Trap (1932) with Henry S. Whitehead
- The Tree (1921)
- The Tree on the Hill (1940) with Duane W. Rimel
- The Unnamable (1925)
- The Vermont Horror (1999)
- The Very Old Folk (1927)
- The Watchers Out of Time (1974) with August Derleth
- The Weird Shadow Over Innsmouth (1999) with John S. Glasby
- The Whisperer in Darkness (1931)
- The Whisperer in the Darkness (2020)
- The White Ape (1921)
- The White Ship (1919)
- The Young Folks' Ulysses (1897)
- Through the Gates of the Silver Key (1934) with E. Hoffmann Price
- Till A' the Seas (2012) with R. H. Barlow
- Two Black Bottles (1927) with Wilfred Blanch Talman
- Two Black Bottles (2020)
- Uma reminiscência do dr. Samuel Johnson [Portuguese] (2021)
- Untitled (Drabblecast #366) [1] (2015) with Baltimore Canary and Micah Joel and John P. Murphy and Hugh J. O'Donnell and Norm Sherman and Patrick Waickman and Erica Weems and Caroline M. Yoachim
- Untitled (Drabblecast #367) [1] (2015) with a baby duck and Dave Bennett and Josh Fisher and Michael Grey and Chris Lester and Kendall Marchman and Patricia Matson and Scott Merrill and Norm Sherman and Alexis Slone and Ferrett Steinmetz and King Tam and Richard Ware and Caroline M. Yoachim and Kevin Young
- Untitled (Drabblecast #368) [1] (2015) with bnprime and Adam Caldwell and Charles Coleman Finlay and Michael Grey and Jen and Micah Joel and Manuel Labor and LawrenceWS and Jack Nutting and Robin Oree and Norm Sherman and Caroline M. Yoachim
- Untitled (Drabblecast #369) [1] (2015) with Anatoly Belilovsky and Dave Bennett and Melissa Brinks and J. D. Buffington and Paul Freelend and Shane Halbach and Micah Joel and Brigitte McKenna and MegaCartridge and John P. Murphy and Chris Pragman and Norm Sherman and Alexis Slone and Solipsist and TheNosalator and Valentalae and Patrick Waickman and Caroline M. Yoachim
- Untitled (Drabblecast #414) (2019) with Stocky Balboa and BigDumbYak and James Carvin and James Cheney and The Nowhere Dispatch and Shoshana Frerking and The Goosecast and Peyton Hodges and Micah Joel and Jason K. Jones and Tom Megill and John P. Murphy and Chris Pragman and Darkness Prevails and James Pring and Norm Sherman and Speckles and bean stan and Joel Zelman
- Untitled (Drabblecast #415) (2019) with Scott Bomkamp and Shoshana Frerking and Michael Grey and Hannah Hulbert and Minty and Kevin Morgan and Wendy Nikel and Richard Payne and Sarah Pinsker and Chris Pragman and Norm Sherman and Rudy Toledo and Daniel Weber and Kevin Young
- Wentworth's Day (1957) with August Derleth
- Winged Death (1934) with Hazel Heald
- Witches' Hollow (1962) with August Derleth
- "The Poetical Punch" Pushed from His Pedestal (1984)
-
Εἰς Σφίγγην?Eis Sfiggin(1926)
Is Sfiggen
Is Sfigghn
Es Sfiggen
Es Sfigghn - 1914 (1915)
- ['Tis a sprig of green shamrock...] (2001)
- [Anthem of the Kappa Alpha Tau] (2001)
- [Last of an elder race...] (2001)
- [Metrical Example] (2001)
- [On "Unda; or, The Bride of the Sea"] (2001)
- [On a Politician] (2001)
- [On a Room for Rent] (2001)
- [On a Scene in Rural Rhode Island] (2001)
- [On Ambrose Bierce] (2001)
- [On Cheating the Post Office] (2001)
- [On J. F. Roy Erford] (2001)
- [On Kelso the Poet] (2001)
- [On Marblehead] (2001)
- [On Newport, Rhode Island] (2001)
- [On Old Grimes by Albert Gorton Greene] (2001)
- [On Phillips Gamwell] (1916)
- [On Prohibition] (2001)
- [On Rheinhart Kleiner Being Hit by an Automobile] (2001)
- [On Robert Browning] (2001)
- [On Slang] (1915)
- [On the Double-R Coffee House] (2001)
- [On the Pyramids] (2001)
- [On The Thing in the Woods by Harper Williams] (2001)
- [Sonnet Study] (2001)
- [Stanzas on Samerkand] (2001)
- [The Solace of Georgian Poetry] (2001)
- [To ?] (1984)
- [To ?] (1984)
- [To ?] (1984)
- [To ?] (2001)
- [To ?] (2001)
- [To ?] (2001)
- [To ?] (2001)
- [To ?] (2001)
- [To ?] (2001)
- [To a cat] (2001)
- [To Albert A. Sandusky] (1984)
- [To Albert A. Sandusky] (2001)
- [To Albert A. Sandusky] (2001)
- [To Albert A. Sandusky] (2001)
- [To Alfred Galpin, Myrta Alice Little, Winifred Jackson, and Verna McGeoch] (2001)
- [To Alfred Galpin, Victor E. Bacon, and Wilfred B. Talman] (2001)
- [To Alfred Galpin] (2001)
- [To Alfred Galpin] (2001)
- [To Alice M. Hamlet] (2001)
- [To Alice M. Hamlet] (2001)
- [To Anne Tillery Renshaw and Wilfred B. Talman] (1984)
- [To Anne Tillery Renshaw] (2001)
- [To Annie E. P. Gamwell] (1984)
- [To Annie E. P. Gamwell] (1984)
- [To Annie E. P. Gamwell] (2001)
- [To Annie E. P. Gamwell] (2001)
- [To Annie E. P. Gamwell] (2001)
- [To Arthur Goodenough] (2001)
- [To Arthur Leeds] (2001)
- [To Arthur Leeds] (2001)
- [To C. W. Smith and Harold Bateman Munroe] (2001)
- [To C. W. Smith] (1984)
- [To C. W. Smith] (1984)
- [To C. W. Smith] (2001)
- [To C. W. Smith] (2001)
- [To Charles A. A. Parker] (1984)
- [To Charles A. A. Parker] (2001)
- [To Charles A. A. Parker] (2001)
- [To D. R.] (1984)
- [To Edgar J. Davis] (2001)
- [To Edith Miniter] (2001)
- [To Edith Miniter] (2001)
- [To Edith Miniter] (2001)
- [To Edith Miniter] (2001)
- [To Edith Miniter] (2001)
- [To Edward H. Cole] (2001)
- [To Edward L. Sechrist] (2001)
- [To Edward L. Sechrist] (2001)
- [To Edward L. Sechrist] (2001)
- [To Eugene B. Kuntz et al.] (1984)
- [To Everett McNeil] (2001)
- [To Everett McNeil] (2001)
- [To Everett McNeill] (2001)
- [To Felis (Frank Belknap Long's cat)] (1984)
- [To Felis (Frank Belknap Long's cat)] (1984)
- [To Frank Belknap Long on His Birthday] (2001)
- [To Frank Belknap Long] (1984)
- [To Frank Belknap Long] (1984)
- [To Frank Belknap Long] (2001)
- [To Frank Belknap Long] (2001)
- [To Frank Belknap Long] (2001)
- [To George Kirk] (2001)
- [To George Kirk] (2001)
- [To His Mother on Thanksgiving] (2001)
- [To James F. Morton, Samuel Loveman, and Annie E. P. Gamwell] (2001)
- [To James F. Morton] (2001)
- [To James F. Morton] (2001)
- [To James F. Morton] (2001)
- [To John Milton Samples] (2001)
- [To John Russell] (2001)
- [To Jonathan E. Hoag, Samuel Loveman, and Eugene B. Kuntz] (2001)
- [To Jonathan E. Hoag] (2001)
- [To Jonathan E. Hoag] (2001)
- [To L. Evelyn Schump] (2001)
- [To Laurie A. Sawyer] (2001)
- [To Lillian D. Clark and C. W. Smith] (2001)
- [To Lillian D. Clark] (1984)
- [To Lillian D. Clark] (1984)
- [To Lillian D. Clark] (1984)
- [To Lillian D. Clark] (2001)
- [To Lillian D. Clark] (2001)
- [To Lillian McMullen and Jonathan E. Hoag] (2001)
- [To M. P. K.] (2001)
- [To Mary Faye Durr] (2001)
- [To Maurice W. Moe] (2001)
- [To Maurice W. Moe] (2001)
- [To Philip B. McDonald?] (2001)
- [To Rheinhart Kleiner and Jonathan E. Hoag] (2001)
- [To Rheinhart Kleiner, Alice M. Hamlet, and Eugene B. Kuntz] (2001)
- [To Rheinhart Kleiner] (1984)
- [To Rheinhart Kleiner] (2001)
- [To Rheinhart Kleiner] (2001)
- [To Rheinhart Kleiner] (2001)
- [To Rheinhart Kleiner] (2001)
- [To Rheinhart Kleiner] (2001)
- [To Samueal Loveman, Victor E. Bacon, and Eugene B. Kuntz] (2001)
- [To Samuel Loveman] (2001)
- [To Sarah Susan Lovecraft] (2001)
- [To Sonia H. Greene] (1984)
- [To Sonia H. Greene] (1984)
- [To Sonia H. Greene] (1984)
- [To Sonia H. Greene] (2001)
- [To Tat (Edith Miniter's cat)] (2001)
- [To Verna McGeoch] (2001)
- [To W. Paul Cook] (2001)
- [To W. Paul Cook] (2001)
- [To W. Paul Cook] (2001)
- [To W. Paul Cook] (2001)
- [To Wilfred B. Talman] (2001)
- [To Winifred Virginia Jackson] (2001)
- A Brumalian Wish [To Maurice W. Moe] (2001)
- A Cycle of Verse (1919)
- A Garden (1927)
- A June Afternoon (1918)
- A Memory (1943)
- A Memory (2008) [graphic format] with Richard Corben
- A Mississippi Autumn (1915)
- A Pastoral Tragedy of Appleton, Wisconsin (2001)
- A Rural Summer Eve (1916)
- A Summer Sunset and Evening (1937)
- A Winter Wish (1918)
- A Year Off (1943)
- Ad Balneum (2001)
- Ad Britannos—1918 (1918)
- Ad Criticos (1914)
- Ad Criticos: Liber Secundus (1914)
- Ad Scribam (1920)
- Alethia Phrikodes (1952)
- Alfredo: A Tragedy (1966)
- Alienation (1931)
- Ambition (1918)
- Amissa Minerva (1919)
- An Account in Verse of the Marvellous Adventures of H. Lovecraft, Esq. Whilst Travelling on the W. & B. Branch, N.Y.N.H. & H.R.R. in Jany. 1901 in One of Those Most Modern of Devices, to Wit: An Electric Train (1984)
- An American to Mother England (1916)
- An American to the British Flag (1917)
- An Elegy on Franklin Chase Clark, M.D. (1915)
- An Epistle to Francis, Ld. Belknap (1987)
- An Epistle to the Rt. Honorable Maurice Winter Moe, Esq. of Zythopolis, in the Northwest Territory of HIS MAJESTY'S American Dominion by L. Theobald, Jun. (1987)
- Antares (1985)
- Antarktos (1930)
- April (1917)
- April Dawn (1919)
- Arcadia (2001)
- Astrophobos (1918)
- August (1918)
- Autumn (1917)
- Ave atque Vale (1927)
- Azathoth (1931)
- Background (1930)
- Bells (1919)
- Beyond Zimbabwe (1986)
- Birthday Lines to Margfred Galbraham (2001)
- Bouts Rimes (1986)
- Brick Row (1930)
- Britannia Victura (1917)
- Brotherhood (1916)
- Brumalia (1916)
- C.S.A. 1861-1865: To the Starry Cross of the SOUTH (2001)
- Chloris and Damon (1923)
- Christmas (1920)
- Christmas Greeting to Mrs. Phillips Gamwell—1925 (1925)
- Christmas Greetings (1984)
- Cindy: Scrub-Lady in a State Street Skyscraper (1920)
- Clouds (1919)
- Content (1916)
- Continuity (1936)
- Crime of Crimes: Lusitania, 1915 (1915)
- Damon and Delia, a Pastoral (1918)
- Damon and Lycë (1984)
- Damon—a Monody (1919)
- De Scriptore Mulieroso (1994)
- De Triumpho Naturae (1905)
- Dead Passion's Flame (2001)
- Death (1918)
- Despair (1919)
- Dreams of Yith (1934) with Duane W. Rimel
- Drinking Song from the Tomb (1922)
- Earth and Sky (1917)
- Edith Miniter (1934)
- Elegy on Phillips Gamwell, Esq. (1917)
- Epigrams (1984)
- Epistle to the Rt. Honble Maurice Winter Moe, Esq. of Zythopolis, in the Northwest Territory of HIS MAJESTY'S American Dominions (2001)
- Epitaph on ye Letterr Rrr........ (2001)
- Evening Star (1943)
- Ex Oblivione (1921)
- Ex-Poet's Reply (1920)
- Expectancy (1943)
- Fact and Fancy (1917)
- Festival (1925)
- Festival (1982)
- Fill Up Your Glass (1987)
- Fragment on Whitman (2001)
- Fragments (2001)
- Frustra Praemunitus (1986)
- Fungi from Yuggoth (2011)
- Futurist Art (1917)
- Gaudeamus (1922)
- Gems from In a Minor Key (1915)
- Germania—1918 (1918)
- Grace (1918)
- Greetings (1919)
- Gryphus in Ascinum Mutatus; or, how a Griffin became an Ass (2001)
- Gryphus in Asinum Mutatus (1984)
- H. Lovecraft's Attempted Journey betwixt Providence & Fall River on the N.Y.N.H. & H.R.R. (2001)
- H.P. Lovecraft's the Call of Cthulhu for Beginning Readers (2017) with R. J. Ivankovic
- Harbour Whistles (1930)
- Hedone (1984)
- Helene Hoffman Cole (1919)
- Helene Hoffman Cole: 1893-1919: The Club's Tribute (1919)
- Hellas (1918)
- Hesperia (1930)
- Holding Your Eight Hands (1969)
- Homecoming (1935)
- Hylas and Myrrha: A Tale (1919)
- Idle Lines on a Poetick Dunce (2001)
- In a Sequester'd Providence Churchyard Where Once Poe Walk'd (1936)
- In a Suburb (1926)
- In Memoriam: J. E. T. D. (1919)
- In Memoriam: Oscar Incoul Verelst of Manhattan: 1920-1926 (2001)
- Inspiration (1916)
- Iterum Conjunctae (1917)
- January (1920)
- John Oldham: A Defence (1919)
- Laeta: A Lament (1918)
- Lament for the Vanished Spider (1920)
- Life's Mystery (2001)
- Lines for Poets' Night at the Scribblers' Club: Cleveland, Octr. 13, 1923 (1924)
- Lines on a Dull Writer Having Insomnia (2001)
- Lines on Gen. Robert Edward Lee: Born Jan. 19, 1807 (1917)
- Lines on Graduation from the R.I. Hospital's School of Nurses (1917)
- Lines on the 25th. Anniversary of the Providence Evening News, 1892-1917 (1917)
- Lines upon the Magnates of the Pulp (2001)
- Little Sam Perkins (1934)
- Lullaby for the Dionne Quintuplets (2001)
- March (1915)
- Medusa: A Portrait (1921)
- Memory (1919)
- Mirage (1931)
- Monody on the Lake King Alcohol (unknown)
- Monody on the Late King Alcohol (1919)
- Monos: An Ode (1918)
- Mother Earth (1919)
- My Lost Love (1984)
- Myrrha and Strephon (1919)
- Nathicana (1927)
- Nemesis (1918)
- New England (1914)
- New England Fallen (1943)
- Night-Gaunts (1930)
- North and South Britons (1919)
- Nostalgia (1930)
- Nyarlarthotep (1920)
- Nyarlathotep (1931)
- Oceanus (1919)
- Oct. 17, 1919 (2001)
- October (1920)
- October (1926)
- Ode to Selene or Diana (1919)
- Old Christmas (1918)
- On a Battlefield in France (1918)
- On a Grecian Colonnade in a Park (1920)
- On a Modern Lothario (1914)
- On a New England Village Seen by Moonlight (1915)
- On a Pathetick Poem, by J. M. W. (2001)
- On a Poem for CHildren, Writ by J. M. W. (2001)
- On a Poet's Ninety-first Birthday (1922)
- On an Accomplished Young Linguist (2001)
- On an Unspoil'd Rural Prospect (1984)
- On Collaboration (1984)
- On Mr. L. Phillips Howard's Profound Poem Entitled "Life's Mystery" (2001)
- On Reading Lord Dunsany's "Book of Wonder" (1920)
- On Receiving a Picture of Swans (1916)
- On Receiving a Picture of the Marshes at Ipswich (1917)
- On Receiving a Picture of ye Towne of Templeton, in the Colonie of Massachusetts-Bay, with Mount Monadnock, in New-Hampshire, shewn in the Distance (1917)
- On Receiving a Portraiture of Mrs. Berkeley, ye Poetess (1984)
- On Religion (1920)
- On the Achievements of a Popular Writer (1985)
- On the Cowboys of the West: In Whom Is Embodied the Nature-Worshipping Spirits of Classical Antiquity (1915)
- On the Creation of Niggers (1984)
- On the Death of a Rhyming Critic (1917)
- On the Habit of Letter-Writing (2001)
- On the Return of Maurice Winter Moe, Esq., to the Pedagogical Profession (1921)
- On the Ruin of Rome (1977)
- On the Vanity of Human Ambition (1977)
- On —————'s Gaining in Weight (2001)
- Ovid's Metamorphoses (2001)
- Pacifist War Song—1917 (1917)
- Percival Lowell (1917)
- Phaeton (1918)
- Plaster-All (Apologies to "Pastorale" of Mr. Crane in the Dial.) (1992)
- Poemata Minora, Volume II (1984)
- Primavera (1925)
- Prologue to "Fragments from an Hour of Inspiration" by Jonathan E. Hoag (1917)
- Providence (1924)
- Providence Amateur Press Club (Deceased) to the Athenaeum Club of Journalism (1984)
- Providence in 2000 A.D. (1912)
- Psychopompos (1919)
- Pursuit (1934)
- Quinsnicket Park (1915)
- R. Kleiner, Laureatus, in Heliconem (1916)
- Recapture (1930)
- Recognition (1936)
- Regnar Lodbrog's Epicedium, or Funeral Song (8th Century) (1944)
- Regnar Lodbrug's Epicedium (1944)
- Respite (1916)
- Revelation (1919)
- S. S. L.: Christmas 1920 (1984)
- Saturnalia (1984)
- Simplicity: A Poem (2001)
- Sir Thomas Tryout (1921)
- Solstice (1925)
- Sonnet on Myself (1918)
- Sors Poetae (1984)
- Spring (1919)
- St. Toad's (1943)
- Star-Winds (1930)
- Sunset (1917)
- Temperance Song (1916)
- The Absent Leader (1927)
- The Acolyte (unknown)
- The Ancient Track (1930)
- The Bay-Stater's Policy (1915)
- The Beauties of Peace (1916)
- The Bells (1930)
- The Book (1934)
- The Bookstall (1916)
- The Canal (1932)
- The Canal (2008) [graphic format] with Richard Corben
- The Cats (1977)
- The City (1919)
- The Conscript (2001)
- The Courtyard (1930)
- The Crime of Crimes (1915)
- The Dead Bookworm (1919)
- The Decline and Fall of a Man of the World (1984)
- The Dream (1920)
- The Dweller (1930)
- The Eidolon (1918)
- The Elder Pharos (1931)
- The End of the Jackson (1914)
- The Familiars (1930)
- The Feast (1923)
- The Feast (Hub Journalist Club, March 10, 1923) (1923)
- The Gardens of Yin (1932)
- The Greatest Law (2001)
- The House (1920)
- The Howler (1932)
- The Introduction (1937)
- The Isaacsonio-Mortoniad (1984)
- The Isaacsonio-Mortoniad: Composed in a Major Key (2001)
- The Key (1935)
- The Lamp (1931)
- The Lamp (2008) [graphic format] with Richard Corben
- The Last Pagan Speaks (1919)
- The Link (1918)
- The Magazine Poet (1915)
- The Members of the Men's Club of the First Universalist Church of Providence, R. I., to Its President, About to Leave for Florida on Account of His Health (1985)
- The Messenger (1938)
- The Nightmare Lake (1919)
- The Nymph's Reply to the Modern Business Man (1917)
- The Odes of Horace: Book III, ix (1940)
- The Odes of Horace: Book III, ix: A Dialogue betwixt Horace and Lydia (2001)
- The Outpost (1930)
- The Pathetick History of Sir Wilful Wildrake (2001)
- The Peace Advocate (1917)
- The Pensive Swain (1919)
- The Pigeon-Flyers (1943)
- The Poe-et's Nightmare: A Fable (1918)
- The Poem of Ulysses, or The Odyssey (2001)
- The Poet of Passion (1917)
- The Poet's Rash Excuse (1920)
- The Port (1930)
- The Pow'r of Wine (1916)
- The Power of Wine: A Satire (1915)
- The Prophecy of Capys Secundus (2001)
- The Return (1926)
- The Road to Ruin (1984)
- The Rose of England (1916)
- The Rutted Road (1917)
- The Scar (2008) [graphic format] with Richard Corben
- The Simple Speller's Tale (1915)
- The Simple Speller's Tale (Tanslated into English) (1915)
- The Smile (1916)
- The Spirit of Summer (1918)
- The State of Poetry (1915)
- The Teuton's Battle-Song (1916)
- The Unknown (1916)
- The Voice (1920)
- The Volunteer (1918)
- The Wanderer's Return (1983)
- The Well (1930)
- The Well (2008) [graphic format] with Richard Corben
- The White Elephant (1986)
- The Window (1931)
- The Window (2008) [graphic format] with Richard Corben
- The Wood (1929)
- Theobaldian Aestivation (1985)
- Theobaldian Hibernation [To Edith Miniter] (1984)
- Theodore Roosevelt 1858-1919 (1919)
- To "The Scribblers" (1984)
- To a Dreamer (1921)
- To a Sophisticated Young Gentleman (2001)
- To a Young Poet in Dunedin (1984)
- To a Youth (1921)
- To Alan Seeger (1918)
- To Alfred Galpin, Esq. (1920)
- To an Accomplished Young Gentlewoman (1984)
- To an Accomplished Young Gentlewoman on Her Birthday, Decr. 2, 1914 (1984)
- To an Accomplished Young Linguist (1984)
- To an Author of Juvenile Fiction [Everett McNeil?] (2001)
- To an Infant (1925)
- To Arthur Goodenough, Esq. (1918)
- To Belinda, Favourite of the Graces (2001)
- To Charlie of the Comics (1916)
- To Clark Ashton Smith (1938)
- To Col. Linkaby Didd (1984)
- To Col. Linkaby Didd: Guardian of Democracy (2001)
- To Damon (1923)
- To Damon (Alfred Galpin, Jun.): Upon His Coming of Age, Nov. 8, 1922 (1923)
- To Delia, Avoiding Damon (1918)
- To Edward John Moreton Drax Plunkett, Eighteenth Baron Dunsany (1919)
- To Endymion (Fank Belknap Long, Jun.): Upon his coming of age, April 27, 1923 (1923)
- To General Villa (1914)
- To George Kirk, Esq.: Upon his entertaining a company in his new-decorated chambers (2001)
- To George Willard Kirk, Gent., of Chelsea-Village, in New-York, upon His Birthday, Novr. 25, 1925 (1927)
- To Greece, 1917 (1917)
- To Heliodora—Sister of Cytheraea (2001)
- To Jonathan E. Hoag, Esq.: On His Eighty-seventh Birthday, February 10, 1918 (1918)
- To Jonathan E. Hoag, Esq.: On His Ninety-sixth Birthday, February 10, 1927 (1927)
- To Jonathan Hoag (Upon His 95th Birthday) (1926)
- To Jonathan Hoag, Esq.: On His 88th Brithday, February 10, 1919 (1919)
- To M. W. M. (1917)
- To Maj.-Gen. Omar Bundy, U.S.A. (1919)
- To Miss Beryl Hoyt (1927)
- To Miss Beryl Hoyt: Upon Her First Birthday—February 21, 1927 (1927)
- To Mistress Sophia Simple, Queen of the Cinema (1919)
- To Mr. and Mrs. C. M. Eddy, Jr. (2001)
- To Mr. Baldwin, upon Receiving a Picture of Him in a Rural Bower (1984)
- To Mr. Galpin: Upon His 20th. Birthday, November 8, 1921 (1921)
- To Mr. Hoag: On His 93rd Birthday, February 10, 1924 (1924)
- To Mr. Hoag: On His Ninetieth Birthday, February 10, 1921 (1921)
- To Mr. Hoag: On His Ninety-fourth Birthday, February 10, 1925 (1925)
- To Mr. Hoag: On His Ninety-second Birthday, February 10, 1923 (2001)
- To Mr. Kleiner, on Receiving from Him the Poetical Works of Addison, Gay, and Somerville (1984)
- To Mr. Lockhart, on His Poetry (1917)
- To Mr. Munroe, on His Instructive and Entertaining Account of Switzerland (1984)
- To Mr. Terhune, on His Historical Fiction (1994)
- To Pan (1919)
- To Phillis (1920)
- To Rheinhart Kleiner, Esq., Upon His Town Fables and Elegies (1923)
- To Rhodoclia—Peerless among Maidens (2001)
- To S.S.L.—Oct. 17, 1920 (2001)
- To Saccharissa, Fairest of Her Sex (2001)
- To Saml Loveman Esq.: With a Belated Present of Some Stationery (1984)
- To Saml: Loveman, Gent., With a fellow-martyr's heartfelt sympathy (1984)
- To Samuel Loveman Esq.: Upon adorning his room for his birthday (2001)
- To Samuel Loveman, Esquire, on His Poetry and Drama, Writ in the Elizabethan Style (1915)
- To Templeton and Mount Monadnock (1917)
- To the A.H.S.P.C. on Receipt of the Christmas Pippin (1984)
- To the A.H.S.P.C. on Receipt of the May Pippin (1984)
- To the American Flag (1937)
- To the Arcadian (1984)
- To the Eighth of November (1919)
- To the Late John H. Fowler, Esq.: Author of Poems of the Supernatural (1916)
- To the Members of the Pin-Feathers on the Merits of Their Organisation, and of Their New Publication, The Pinfeather (1914)
- To the Members of the United Amateur Press Association from the Providence Amateur Press Club (1915)
- To the Nurses of the Red Cross (1984)
- To the Old Pagan Religion (1919)
- To the Recipient of This Volume (1988)
- To the Rev. James Pyke (1914)
- To the Rev. James Pyke: On His Unpublished Verse (1914)
- To the Uncomparable Clorinda (2001)
- To Two Epgephi (1984)
- To Virgil Finlay: Upon His Drawing for Robert Bloch's Tale, "The Faceless God" (1937)
- To Xanthippe, on Her Birthday—March 16, 1925 (1984)
- To Zara (1965)
- Tryout's Lament for the Vanished Spider (1920)
- Two Discarded Drafts of "The Well" (1984)
- Unda; or, The Bride of the Sea (1916)
- Unity (2017)
- Ver Rusticum (1918)
- Verses Designed to be Sent by a Friend of the Author to His Brother-in-Law on New Year's Day (1984)
- Verses Designed to be Sent by a Friend of the Author to His Brother-in-Law on New-Year's Day (1984)
- Veteropinguis Redivivus (1984)
- Veteropinguis Redivivus: A Poem (2001)
- Waste Paper: A Poem of Profound Insignificance (2001)
- What the Moon Brings (1922)
- Wisdom (1919)
- With a Copy of Wilde's Fairy Tales (1984)
- Ye Ballade of Patrick von Flynn; or, The Hibernio-German-American England-Hater (1916)
- Zaman's Hill (1934)
- A Confession of Unfaith (1922)
- A Descent to Avernus (1929)
- A Description of the Town of Quebeck, in New Fance, Lately added to His Britannick Majesty's Dominions (1976)
- A Few Words from the Masters (2000) with Robert E. Howard and Clark Ashton Smith
- A Group of Letters (1948)
- A Guide to Charleston, South Carolina (1936)
- A Layman Looks at the Government (2004)
- A Letter to E. Hoffmann Price (1948)
- A List of Certain Basic Underlying Horrors Effectively Used in Weird Fiction (1938)
- A Matter of Uniteds (1927)
- A Reply to The Lingerer (1917)
- Addendum à « Histoire du Necronomicon », extrait d'une lettre à C.A. Smith [French] (2021)
- Advice for the Weird Fictioneer (2000)
- Afterword ("...and Their Memory Was a Bitter Tree...": Queen of the Black Coast and Others) (2008)
- Amateur Criticism (1918)
- Amateur Journalism: Its Possible Needs and Betterment (1920)
- Americanism (1919)
- An Account of a Trip to the Antient Fairbanks House, in Dedham, and to the Red House Tavern in Sudbury, in the Province of the Massachusetts-Bay (2006)
- An Account of a Visit to Charleston, S. C. (2006)
- An Account of Charleston, in His Majty's Province of South-Carolina (1930)
- An Account of Charleston, in His Majty's Province of South-Carolina (1995)
- Anglo-Saxondom (1918)
- Appendice (Bothon) [Italian] (2021)
- Appendix to Imprisoned with the Pharaohs (2021)
- Ars Gratia Artis (1921)
- At the Root (1918)
- Autobiography: Some Notes on a Nonentity (1943)
- Autoritratto (Da una lettera a Maurice W. Moe, 5 aprile 1931) [Italian] (1990)
- Biographical Notice (1928)
- Bolshevism (1919)
- By Post from Providence (1937)
- Cats and Dogs (1926)
- Charleston (1936)
- Christmas Card to Robert Bloch, 1933 (1993)
- Commercial Blurbs (1925)
- Commonplace Book (1938)
- Complete Chronology (1937)
- Concerning "Perisa—in Europe" (1917)
- Contemporary Reviews of Clark Ashton Smith (2006) with Anonymous and Anthony Boucher and William Stanley Braithwaite and William Foster Elliot and Porter Garnett and Arthur F. Hillman and John Jury and Vachel Lindsay and Edwin Markham and Harriet Monroe and Shaemus O'Sheel and Frank Morton Todd and Sophie Treadwell and G. R. Yeates
- Correspondence Between R. H. Barlow and Wilson Shepherd of Oakman, Alabama--Sept.-Nov. 1932 (1986)
- Department of Public Criticism (1918)
- Diary 1937 (1987)
- Die Tradition der Weird Fiction in Amerika [German] (1983)
- Dreams and Fancies (1962)
- East and West Harvard Conservatism (1922)
- Ec'H-Pi-el Speaks (1972)
- Editorial Notes in The United Amateur (1920)
- Elements of a Weird Story (1938)
- En un solitario cementerio de providence por donde caminó Poe [Spanish] (2015)
- Enclosure to Letter to Clark Ashton Smith, [25 July 1935] (2017)
- Enclosure to Letter to Clark Ashton Smith, [30 January 1935] (2017)
- Enclosure to Letter to Clark Ashton Smith, [Postmarked 11 September 1933] (2017)
- Enclosure to Letter to Clark Ashton Smith, [Postmarked 3 November 1934] (2017)
- Enclosure to Letter to Clark Ashton Smith, [Postmarked Daytona Beach, Florida 16 June 1935] (2017)
- European Glimpses (1988) with Sonia Greene
- Excerpts from the H. P. Lovecraft Letters to August Derleth (2000)
- Excerpts from the Letters of H. P. Lovecraft [to Duane W. Rimel] (1942)
- Excerpts from the Letters of H.P. Lovecraft (1942)
- Extracts from the letters to G.W. Macauley (1980)
- Final Words (1921)
- For What Does the United Stand? (1920)
- Foreword (Dead Brides) (1999)
- Foreword (Tales of Three Hemispheres) (1922)
- Foreword (The Great God Pan & Xelucha) (2012)
- Four Letters to Clark Ashton Smith (1971)
- From "Supernatural Horror in Literature" (2017)
- Genealogy of the Elder Races (1976)
- H. P. Lovecraft & Science Fiction (1967) with August Derleth
- H. P. Lovecraft an Fritz Leiber jun. [German] (2010)
- H. P. Lovecraft re Robert W. Chambers (1927)
- H. P. Lovecraft's "Sunset" (2019) with S. T. Joshi
- H.P. Lovecraft Clark Ashton Smithről [Hungarian] (2017)
- Heritage or Modernism: Common Sense in Art Forms (1935)
- History and Chronology of the Necronomicon Together with Some Pertinent Paragraphs (1948) with August Derleth
- Homes and Shrines of Poe (1934)
- Idealism and Materialism: A Reflection (1919)
- In a Major Key (1915)
- In Defense of Dagon (1921)
- In Memoriam: Henry St. Clair Whitehead (1933)
- In Memoriam: Robert E. Howard (1936) with Jack Byrne and Otis Adelbert Kline and E. Hoffmann Price
- In Memoriam: Robert E. Howard (2018)
- In Memoriam: Robert Ervin Howard (1936)
- In Memorium: Robert Ervin Howard (1936) with Jack Byrne and Otis Adelbert Kline and E. Hoffmann Price
- In the Editor's Study (1923)
- Instructions in Case of Decease (1985)
- Introduction (The King in Yellow) (2014)
- Introduction from 'Supernatural Horror in Literature' (2013)
- Introduction to "Supernatural Horror in Literature" (1927)
- Introduction to Hoag's Poetical Works (1980)
- Introduction: Letter to Donald A. Wollheim (1938)
- Introduction: The Hyborian Age (2007)
- Is Mars an Inhabited World? (1906)
- June Skies (1916)
- Last Autumn, Last Winter (1975)
- Les limites du surnaturel [French] (1992)
- Les Mouches Fantastiques (1918)
- Letter (All-Story Cavalier, August 15, 1914) (1914)
- Letter (All-Story, March 7, 1914) (1914)
- Letter (Scientific American, August 5, 1906): Trans-Neptunian Planets (1976)
- Letter (The Fantasy Fan, April 1934) (1934)
- Letter (The Fantasy Fan, December 1933) (1933)
- Letter (The Fantasy Fan, December 1934) (1934)
- Letter (The Fantasy Fan, January 1934) (1934)
- Letter (The Fantasy Fan, January 1934) [2] (1934)
- Letter (The Fantasy Fan, July 1934) (1934)
- Letter (The Fantasy Fan, March 1934) (1934)
- Letter (The Fantasy Fan, March 1934) [2] (1934)
- Letter (The Fantasy Fan, May 1934) (1934)
- Letter (The Fantasy Fan, November 1933) (1933)
- Letter (The Fantasy Fan, October 1933) [2] (1933)
- Letter (The Fantasy Fan, October 1934) (1934)
- Letter (Weird Tales, February 1926) (1926)
- Letter (Weird Tales, February 1928) (1928)
- Letter (Weird Tales, February 1936): An Anagrammatic Alias (1936)
- Letter (Weird Tales, January 1924) (1924)
- Letter (Weird Tales, January 1928) (1928)
- Letter (Weird Tales, January 1934) (1934)
- Letter (Weird Tales, July 1930) (1930)
- Letter (Weird Tales, March 1924) (1924)
- Letter (Weird Tales, March 1928) (1928)
- Letter (Weird Tales, October 1923) (1923)
- Letter (Weird Tales, October 1936) (1936)
- Letter (Weird Tales, September 1923) (1923)
- Letter to August Derleth, August 3, 1926 (1983)
- Letter to August Derleth, August 9, 1926 (1983)
- Letter to Ben Abramson (1937)
- Letter to Bernard Austin Dwyer (1968)
- Letter to Bertrand K. Hart (1930)
- Letter to Clark Ashton Smith [Postmarked Brooklyn, N.Y., January 20, 1926] (2017)
- Letter to Clark Ashton Smith [Postmarked Newport, R.I., 14 July 1927] (2017) with Donald Wandrei
- Letter to Clark Ashton Smith [Postmarked Providence, R.I., 8 March 1927] (2017)
- Letter to Clark Ashton Smith, 29th Æon— Cycle of the Spawning of the Shoggoths, Valley of Pnath [mid-November 1930] (2017)
- Letter to Clark Ashton Smith, 7th Ultra-Violet Plenilune, 98463mnth Year of the Crumbling of Yaddith's Citadel After the Coming of the Ciscous and Unspeaking Ones [15 April 1931] (2017)
- Letter to Clark Ashton Smith, [25 December 1930] (2017)
- Letter to Clark Ashton Smith, [29? November 1930] (2017)
- Letter to Clark Ashton Smith, [3 July 1929] (2017)
- Letter to Clark Ashton Smith, [8 February 1931] (2017)
- Letter to Clark Ashton Smith, [appended to Letter by R. H. Barlow, 10 May 1934] (2017) with R. H. Barlow
- Letter to Clark Ashton Smith, [c. 25 September 1930] (2017)
- Letter to Clark Ashton Smith, [c. 6 November 1931] (2017)
- Letter to Clark Ashton Smith, [early March 1933] (2017)
- Letter to Clark Ashton Smith, [January 1932] (2017)
- Letter to Clark Ashton Smith, [June 1935] (2017)
- Letter to Clark Ashton Smith, [late December 1928] (2017)
- Letter to Clark Ashton Smith, [late December 1933] (2017)
- Letter to Clark Ashton Smith, [mid-December 1931] (2017)
- Letter to Clark Ashton Smith, [mid-December 1935] (2017)
- Letter to Clark Ashton Smith, [No postmark; enclosed with a letter c. late May/early June 1934] (2017)
- Letter to Clark Ashton Smith, [October 1930] (2017)
- Letter to Clark Ashton Smith, [Postmarked Boston Mass., 25 November 1934] (2017)
- Letter to Clark Ashton Smith, [Postmarked Boston Mass., c. 17 October 1935] (2017) with Samuel Loveman
- Letter to Clark Ashton Smith, [Postmarked Boston, Mass., 5 January 1929] (2017) with Samuel Loveman
- Letter to Clark Ashton Smith, [Postmarked Boston, Mass., 5 October 1931] (2017) with W. Paul Cook
- Letter to Clark Ashton Smith, [Postmarked Charleston, S.C., 25 April 1934] (2017)
- Letter to Clark Ashton Smith, [Postmarked Charleston, S.C., 26 August 1935] (2017)
- Letter to Clark Ashton Smith, [Postmarked Charleston, S.C., 27 April 1934] (2017)
- Letter to Clark Ashton Smith, [Postmarked Charleston, S.C., 30 April 1934] (2017)
- Letter to Clark Ashton Smith, [Postmarked De Land, Fla., 1 July 1935] (2017)
- Letter to Clark Ashton Smith, [Postmarked De Land, Fla., May 1934] (2017) with R. H. Barlow
- Letter to Clark Ashton Smith, [Postmarked Gloucester, Mass., 1 September 1927] (2017)
- Letter to Clark Ashton Smith, [Postmarked Kingston, N.Y., 15 May 1929] (2017) with Bernard Austin Dwyer
- Letter to Clark Ashton Smith, [Postmarked Kingston, N.Y., 4 June 1930] (2017) with Bernard Austin Dwyer
- Letter to Clark Ashton Smith, [Postmarked Nantucket, Mass., 28 July 1934] (2017)
- Letter to Clark Ashton Smith, [Postmarked New Orleans, La., 15 June 1932] (2017) with E. Hoffmann Price
- Letter to Clark Ashton Smith, [Postmarked New York, N.Y., 18 July 1928] (2017) with Frank Belknap Long and Donald Wandrei
- Letter to Clark Ashton Smith, [Postmarked New York, N.Y., 26 April 1929] (2017) with Gerry Butler and Frank Belknap Long and Samuel Loveman and Vrest Orton and Wilfred Blanch Talman
- Letter to Clark Ashton Smith, [Postmarked New York, N.Y., 7 September 1935] (2017) with Frank Belknap Long and Donald Wandrei
- Letter to Clark Ashton Smith, [Postmarked Newburyport, Mass., 30 August 1927] (2017)
- Letter to Clark Ashton Smith, [Postmarked Onset, Mass., 25 July 1933] (2017)
- Letter to Clark Ashton Smith, [Postmarked Providence R.I. 21 January 1923] (2017)
- Letter to Clark Ashton Smith, [Postmarked Providence R.I., 19 September 1936] (2017) with Harry K. Brobst and James F. Morton
- Letter to Clark Ashton Smith, [Postmarked Providence R.I., 28 October 1935] (2017)
- Letter to Clark Ashton Smith, [Postmarked Providence, R.I., 1 August 1927] (2017) with W. Paul Cook and James F. Morton and H. Warner Munn and Donald Wandrei
- Letter to Clark Ashton Smith, [Postmarked Providence, R.I., 1 August 1933] (2017) with James F. Morton
- Letter to Clark Ashton Smith, [Postmarked Providence, R.I., 10 November 1934] (2017)
- Letter to Clark Ashton Smith, [Postmarked Providence, R.I., 10 October 1933] (2017)
- Letter to Clark Ashton Smith, [Postmarked Providence, R.I., 13 May 1932] (2017)
- Letter to Clark Ashton Smith, [Postmarked Providence, R.I., 14 August 1927] (2017) with W. Paul Cook and H. Warner Munn
- Letter to Clark Ashton Smith, [Postmarked Providence, R.I., 14 December 1933] (2017)
- Letter to Clark Ashton Smith, [Postmarked Providence, R.I., 16 June 1933] (2017)
- Letter to Clark Ashton Smith, [Postmarked Providence, R.I., 17 October 1934] (2017)
- Letter to Clark Ashton Smith, [Postmarked Providence, R.I., 19 March 1934] (2017)
- Letter to Clark Ashton Smith, [Postmarked Providence, R.I., 20 September 1933] (2017)
- Letter to Clark Ashton Smith, [Postmarked Providence, R.I., 21 February 1933] (2017)
- Letter to Clark Ashton Smith, [Postmarked Providence, R.I., 21 July 1927] (2017) with C. M. Eddy, Jr. and Frank Belknap Long and Donald Wandrei
- Letter to Clark Ashton Smith, [Postmarked Providence, R.I., 22 March 1934] (2017)
- Letter to Clark Ashton Smith, [Postmarked Providence, R.I., 24 February 1933] (2017)
- Letter to Clark Ashton Smith, [Postmarked Providence, R.I., 24 January 1934] (2017)
- Letter to Clark Ashton Smith, [Postmarked Providence, R.I., 26 August 1933] (2017)
- Letter to Clark Ashton Smith, [Postmarked Providence, R.I., 28 July 1934] (2017)
- Letter to Clark Ashton Smith, [Postmarked Quebec, Canada, 1 September 1930] (2017)
- Letter to Clark Ashton Smith, [Postmarked Quebec, Canada, 3 September 1933] (2017)
- Letter to Clark Ashton Smith, [Postmarked Richmond, Va., 10 May 1930] (2017)
- Letter to Clark Ashton Smith, [Postmarked Richmond, Va., 2 May 1929] (2017)
- Letter to Clark Ashton Smith, [Postmarked St. Augustine, Fla., 15 May 1931] (2017)
- Letter to Clark Ashton Smith, [written on letter by Farnsworth Wright to Clark Ashton Smith dated 23 March 1934] (2017)
- Letter to Clark Ashton Smith, Abandoned Church of St. Toad in the Crumbling Slums of Ancient Yothby. Hour of the Scratching Within the Sealed Spire. [Postmarked 11 September 1933] (2017)
- Letter to Clark Ashton Smith, Above the Sunken Citadel of Yo. Hour of the Bubbling. [Postmarked 15 March 1933] (2017)
- Letter to Clark Ashton Smith, April 10, 1930 (2017)
- Letter to Clark Ashton Smith, April 14, 1929 (2017)
- Letter to Clark Ashton Smith, April 19, 1928 (2017)
- Letter to Clark Ashton Smith, April 2[, 1928] (2017)
- Letter to Clark Ashton Smith, April 4, 1927 (2017)
- Letter to Clark Ashton Smith, April 4, 1932 (1971)
- Letter to Clark Ashton Smith, Arkahm: the Nameless Graveyard on Hangman's Hill: Hour When the Vast Sinister Willow with Twisted Roots Shakes Against the Wind [Postmarked 13 April 1934] (2017)
- Letter to Clark Ashton Smith, At the Edge of the Voor—Hour When the Aklo Colours Coruscate [Postmarked 9 March 1934] (2017)
- Letter to Clark Ashton Smith, At the Monolith on the Mound —Hour That the Dogs Howl [Postmarked 11 February 1934] (2017)
- Letter to Clark Ashton Smith, Aug. 9, 1926 (2017)
- Letter to Clark Ashton Smith, August 12, 1922 (2017)
- Letter to Clark Ashton Smith, August 18, 1925 (2017)
- Letter to Clark Ashton Smith, August 2, 1927 (2017)
- Letter to Clark Ashton Smith, August 28, 1925 (2017)
- Letter to Clark Ashton Smith, August 31, 1928 (2017)
- Letter to Clark Ashton Smith, Before the Topless Monolith of Ys, in the Accursed Garden of Nyan-Ho, Hour of the Rapping from Inside. [17 September 1932] (2017)
- Letter to Clark Ashton Smith, Beneath the Trap-Door in the Floor of the Sunken Temple of Lyan-Zo, in the Lake of Hali. Hour of the Howl from the Sealed Doorway. [Postmarked 30 October 1931] (2017)
- Letter to Clark Ashton Smith, Beyond the Inner Gate: Hour When the Ancient Ones Sway on Their Pillars. [8 April 1933] (2017)
- Letter to Clark Ashton Smith, Beyond the Tunnel of Silence— —Hour of the Boiling in the Gulf [24 January 1936] (2017)
- Letter to Clark Ashton Smith, Black Throne of Azathoth, Outside Time & Space. [Postmarked 27 August 1932] (2017)
- Letter to Clark Ashton Smith, Botomless Well of Yeguggon— Hour That the Snout Appears [20 June 1936] (2017)
- Letter to Clark Ashton Smith, Bottomless Chasm of Zhun— Hour of the Green Shining Below [Postmarked 28 October 1934] (2017)
- Letter to Clark Ashton Smith, c. 3 March 1924 (2017)
- Letter to Clark Ashton Smith, Cave of the Shining Trapezohedron —Hour of the Purple Glow [10 November 1935] (2017)
- Letter to Clark Ashton Smith, Cave of Zhod—Hour of the Tapping Beyond the Inner Wall [8 September 1934] (2017)
- Letter to Clark Ashton Smith, Central Unlighted Space —Hour That the Darkeness Moves [Postmarked 23 April 1936] (2017)
- Letter to Clark Ashton Smith, Concave Cliffs by the Tarn of Kyagoph; Hour of the Reddening of the Dark Waters [16 January 1932] (2017)
- Letter to Clark Ashton Smith, Crater of Yabin, on the Mountain of the Ultimate Rim, Hour of the Black Geyser [23 September 1931] (2017)
- Letter to Clark Ashton Smith, Crest of Unknown Kadath in the Cold Waste, Whence Is Seen the Insufferable Perspective. Hour of the Mounstrous Looming from the Unplaceable Direction. [29 November 1933] (2017)
- Letter to Clark Ashton Smith, Crypt Beneath the Jungle Temple of Nythrun-Hlo; Hour of the Feeding of Munsh, Which Is Neither Fungus Nor God. [11 June 1932] (2017)
- Letter to Clark Ashton Smith, Crypt of H'hphu-Yys-Echrr on the Extra-Cosmic Coment of Phphun —Hour of Approach to the Black Sun Gnorr-Kthun in the 7th Dimension Beyond the Uttermost Rim [11 September 1931] (2017)
- Letter to Clark Ashton Smith, Crypt of the Citadel Atop Never-Trodden Yaddith-Gho: Hour of the Trap Door from Beneath ____ [Postmarked 3 May 1933] (2017)
- Letter to Clark Ashton Smith, Crypt of Thoggon —Hour of the Slimy Trail [Postmarked 29 September 1936] (2017)
- Letter to Clark Ashton Smith, Cyclopean Ruins of Shog: Hour of the Lambint Glow Around the Sealed Door. [Postmarked 15 August 1933] (2017)
- Letter to Clark Ashton Smith, Daemon-Curst Wood of Yoth— Hour That the Livid, Fungous Boughs Sway Against the Muttering Wind [22 October 1933] (2017)
- Letter to Clark Ashton Smith, Dec. 19, 1929 (2017)
- Letter to Clark Ashton Smith, Dec. 28, 1927 (2017)
- Letter to Clark Ashton Smith, Dec. 3, 1929 (2017)
- Letter to Clark Ashton Smith, Dec. 4 [1923] (2017)
- Letter to Clark Ashton Smith, Dec. 8, 1928 (2017)
- Letter to Clark Ashton Smith, December 27, 1925 (2017)
- Letter to Clark Ashton Smith, Decr. 11, 1926 (2017)
- Letter to Clark Ashton Smith, Decr. 12, 1925 (2017)
- Letter to Clark Ashton Smith, Decr. 2, 1922 (2017)
- Letter to Clark Ashton Smith, Deep of Gba-Ktan, Beyond Devil's Reef Off Coast of Innsmouth, Hour of Nameless Swarming. [20 November 1931] (2017)
- Letter to Clark Ashton Smith, Desert City of Ghin— Hour of the Rearing of the Sand-Burrowers. [5 December 1932] (2017)
- Letter to Clark Ashton Smith, Desert of Nizab-Yun— Hour of the Black Mirage [2 December 1935] (2017)
- Letter to Clark Ashton Smith, February 16, 1932 (1971)
- Letter to Clark Ashton Smith, February 18, 1933 (1971)
- Letter to Clark Ashton Smith, Feby. 13, 1929 (2017)
- Letter to Clark Ashton Smith, Feby. 18, 1927 (2017)
- Letter to Clark Ashton Smith, Feby. 18[, 1928] (2017)
- Letter to Clark Ashton Smith, Feby. 2, 1930 (2017)
- Letter to Clark Ashton Smith, Feby. 26, 1926 (2017)
- Letter to Clark Ashton Smith, Feby. 27, 1930 (2017)
- Letter to Clark Ashton Smith, Feby. 9, 1926 (2017)
- Letter to Clark Ashton Smith, Field of the Ultra-Spectral Rays —Hour of the Spiral Wind from Nith [29 June 1933] (2017)
- Letter to Clark Ashton Smith, Forest of Gnoth-Yna, Brick of the Chasm of Khe— Third Beat Before the Spouting of the Black Geyser. [1 August 1931] (2017)
- Letter to Clark Ashton Smith, Friday [16 April 1927] (2017)
- Letter to Clark Ashton Smith, From the 66th Vortex of the New Space-Time Abyss— Hour of the Faint Scratching. [31 May 1933] (2017)
- Letter to Clark Ashton Smith, From the Grey Interstice Betwixt the Cosmoses Nith & & H'bga, on the Outer Rim of Electronic Entity. Hour of the Unseen Drum-Beat. [13 October 1931] (2017)
- Letter to Clark Ashton Smith, From the Ruined Brick Tower with the Sealed Door—Hour of the Black, Beating Wings—— [Postmarked 13 December 1933] (2017)
- Letter to Clark Ashton Smith, Gate of Never-Uttered Name in the Hillside of Nirighom Beyond the Black Wood. Hour of the Surging of the Green Vapour. [8 February 1932] (2017)
- Letter to Clark Ashton Smith, Gateway of the Zhirns— Hour of the Chanting Within [Postmarked 30 September 1934] (2017)
- Letter to Clark Ashton Smith, Grey Plain Before the Sealed Stone Tower: Hour of the Alien-Toned Bell Stroke Within. [24 March 1933] (2017)
- Letter to Clark Ashton Smith, Gulf of Blackness—Hour of the Knell. [10 July 1932] (2017)
- Letter to Clark Ashton Smith, Halls of Eblis— Night of the Æquinox. [Postmarked 23 September 1932] (2017)
- Letter to Clark Ashton Smith, Hour of the Black Moon [Postmarked 6 August 1930] (2017)
- Letter to Clark Ashton Smith, Hour of the Thin Piping of the Daemon Flutes, in the year of N'gah, [17 October 1930] (2017)
- Letter to Clark Ashton Smith, House of the Gnoles— Hour of the Thin Pittering [16 January 1935] (2017)
- Letter to Clark Ashton Smith, In the Orange, Carmine, & Blue Litten Zone at the End of the Angles Beyond the Vague Twilight Abysses. Hour of the Sounding of the Gong at the Bottom of the Unplumbed Pit. [Postmarked 26 February 1932] (2017)
- Letter to Clark Ashton Smith, January 17, 1930 (2017)
- Letter to Clark Ashton Smith, Jany 11, 1923 (2017)
- Letter to Clark Ashton Smith, Jany. 17, 1927 (2017)
- Letter to Clark Ashton Smith, Jany. 18, 1926 (2017)
- Letter to Clark Ashton Smith, Jany. 2, 1927 (2017)
- Letter to Clark Ashton Smith, Jany. 21, 1927 (2017)
- Letter to Clark Ashton Smith, Jany. 25, 1924 (2017)
- Letter to Clark Ashton Smith, Jany. 31, 1928 (2017)
- Letter to Clark Ashton Smith, July 15, 1926 (2017)
- Letter to Clark Ashton Smith, July 15, 1927 (2017) with Donald Wandrei
- Letter to Clark Ashton Smith, July 18, 1930 (2017)
- Letter to Clark Ashton Smith, July 24, 1924 (2017)
- Letter to Clark Ashton Smith, July 29, 1929 (2017)
- Letter to Clark Ashton Smith, July 30, 1923 (2017)
- Letter to Clark Ashton Smith, June 11, 1923 (2017)
- Letter to Clark Ashton Smith, June 17, 1926 (2017)
- Letter to Clark Ashton Smith, June 23, 1930 (2017)
- Letter to Clark Ashton Smith, June 24[, 1927] (2017)
- Letter to Clark Ashton Smith, June 25, 1931 (2017)
- Letter to Clark Ashton Smith, June 3d[, 1927] (2017)
- Letter to Clark Ashton Smith, June 5[, 1929] (2017)
- Letter to Clark Ashton Smith, Jungle of Kled—Hour That the Monolith Turns on Its Carven Onyx Pedestal. [c. late May/early June 1934] (2017)
- Letter to Clark Ashton Smith, Jungle of the Obscene Fungi Below the Belt of Saturn— Hour of the Casting of the Shadow [12 May 1931] (2017)
- Letter to Clark Ashton Smith, Jungle Temple of Krang— Hour of the Stirring in the Lake [25 July 1935] (2017)
- Letter to Clark Ashton Smith, Kadath in the Cold Waste— Hour of the Lighting of the Beacon in the Tower of the Yellow-Masked Entity Tphnglaaa. [14 August 1931] (2017)
- Letter to Clark Ashton Smith, Labyrinth of Zhrr— Hour of the Shrieking [c. 8—11 January 1934] (2017)
- Letter to Clark Ashton Smith, Leaden Hillside of Pnapf on the Green-Litten Planet Hchah in Dimension N; Hour of the Voice & Vapour From the Bottomless Cleft. [2 March 1932] (2017)
- Letter to Clark Ashton Smith, Many-Coulumned Arcades of Weed-Grown Y'ha-Nthlai, in the Hour of the Unseen Howling. [early December 1931] (2017)
- Letter to Clark Ashton Smith, March 13[, 1928] (2017)
- Letter to Clark Ashton Smith, March 14, 1925 (2017)
- Letter to Clark Ashton Smith, March 15, 1927 (2017)
- Letter to Clark Ashton Smith, March 2, 1932 (1971)
- Letter to Clark Ashton Smith, March 22[, 1929] (2017)
- Letter to Clark Ashton Smith, March 24, 1927 (2017)
- Letter to Clark Ashton Smith, March 25, 1923 (2017)
- Letter to Clark Ashton Smith, March 26[, 1926] (2017)
- Letter to Clark Ashton Smith, May 12, 1927 (2017)
- Letter to Clark Ashton Smith, May 14, 1926 (2017)
- Letter to Clark Ashton Smith, May 29, 1930 (2017)
- Letter to Clark Ashton Smith, Megalithic Ruins Beneath the Desert —Hour of the Chill Wind from the Black Trap-Door. [Postmarked 26 March 1935] (2017)
- Letter to Clark Ashton Smith, Memory-Vortex of Zith— Opening of the Bronze Gate in the Unscalable Basalt Cliff of Gnaa. [2 February 1933] (2017)
- Letter to Clark Ashton Smith, Month of the Hornéd Ram [c. 19 March 1930] (2017)
- Letter to Clark Ashton Smith, Moonless Moor of Shaggai— at the Tolling of the Cracked Bell in the Dark Tower [23 March 1936] (2017)
- Letter to Clark Ashton Smith, Nameless Ruins of Iath, Hour of the Lambent Glow Around the Sealed Tower. [12 July 1933] (2017)
- Letter to Clark Ashton Smith, Necropolis of Leth-yoddim: Before the Impact of the Moon-Rays on the Bronze Door in the Hillside. [Postmarked 21 March 1932] (2017)
- Letter to Clark Ashton Smith, Ninth Vacum of Negative Matter, in the Black Nebula of Ylghuh, beyond the third Cluster of Space-Time Continua. [7 November 1930] (2017)
- Letter to Clark Ashton Smith, November 12, 1922 (2017)
- Letter to Clark Ashton Smith, Novr. 15, 1928 (2017)
- Letter to Clark Ashton Smith, Novr. 16, 1926 (2017)
- Letter to Clark Ashton Smith, Novr. 24, 1925 (2017)
- Letter to Clark Ashton Smith, Novr. 27[, 1927] (2017)
- Letter to Clark Ashton Smith, Novr. 4, 1925 (2017)
- Letter to Clark Ashton Smith, Oct. 1, 1927 (2017)
- Letter to Clark Ashton Smith, Oct. 15, 1927 (2017)
- Letter to Clark Ashton Smith, October 29, 1929 (2017)
- Letter to Clark Ashton Smith, Octr 17, 1923 (2017)
- Letter to Clark Ashton Smith, Octr 29 [1930] (2017)
- Letter to Clark Ashton Smith, Octr 5, 1922 (2017)
- Letter to Clark Ashton Smith, Octr. 12, 1926 (2017)
- Letter to Clark Ashton Smith, Octr. 27[, 1928] (2017)
- Letter to Clark Ashton Smith, Octr. 29, 1926 (2017)
- Letter to Clark Ashton Smith, Octr. 9, 1925 (2017)
- Letter to Clark Ashton Smith, Onyx Sea-Cliffs of Kho— Hour When Low TIde Bates That Daemon-Carvers Reef Wherefrom Men Avert Their Glance... [14 June 1933] (2017)
- Letter to Clark Ashton Smith, Peak of Panaq[?], with a Distant View of the Stone Tower on Abhorrèd Leng. Hour of the Pallid, Ominous Beacon-Light. [8 October 1932] (2017)
- Letter to Clark Ashton Smith, Pinnacle of Kadath in the Cold Waste. Hour of the Flapping of Unseen Wings. [21 December 1932] (2017)
- Letter to Clark Ashton Smith, Pinnacle of Zith —Hour of the Upward Lightning [Postmarked 5 February 1937] (2017)
- Letter to Clark Ashton Smith, Pit of Yub— Hour of the Squirmers' Emergence from the Walls [13 November 1933] (2017)
- Letter to Clark Ashton Smith, Pnath—When the Spreading, Serrate Shadow Darkens the Grey Sky Above the Black, Ragged Peaks of Thok. [15 April 1932] (2017)
- Letter to Clark Ashton Smith, Postmarked Providence R.I. 5 December 1922 (2017)
- Letter to Clark Ashton Smith, Precipice of N'Ho Above the Nameless Abysm. Hour of the Murmer from Below. [c. 26 July 1932] (2017)
- Letter to Clark Ashton Smith, Primal Basalt Bridge Over the Black & Oily River Gnar. Time of the Bulbous Shape's Passage Up-Stream. [3 October 1933] (2017)
- Letter to Clark Ashton Smith, Rock Desert of Ying, on Trans-Galactic Yaddith: Before the Bronze Cliff-Gate Around Which Lie the Foetid Bodies & Immemorial Bones of Nameless Beasts. Hour of the Opening of the Gate. [11 March 1932] (2017)
- Letter to Clark Ashton Smith, Ruins of the Primal Citadel —Hour of the Sentient Wind [30 January 1935] (2017)
- Letter to Clark Ashton Smith, Septr 27, 1922 (2017)
- Letter to Clark Ashton Smith, Septr 5, 1927 (2017)
- Letter to Clark Ashton Smith, Septr. 20, 1925 (2017)
- Letter to Clark Ashton Smith, Septr. 20, 1929 (2017)
- Letter to Clark Ashton Smith, Shores of the Black Lake T'lai: Time of Moonless Tide & the Rising of ___ ___. [c. 10 February 1933] (2017)
- Letter to Clark Ashton Smith, Shrine of Hyl-Gho on the Smoking Peak. Hour of the Nameless Chanting Below. [7 January 1933] (2017)
- Letter to Clark Ashton Smith, Shrine of Nug, in the Temple of Infra-Red Vapour on the Doomed Nebula Zlykariob, in the Hour of the Torturing of the Worm Bgnghaa-Ythn-Yaddith [c. 18 January 1931] (2017)
- Letter to Clark Ashton Smith, Shumath-Ghun—Hour of the Flight of the Bat Toward the Black Nebula. [early August 1932] (2017)
-
Letter to Clark Ashton Smith, Slope of Forgotten Gna-Haggosh in the Great White South: Day of the Reopening of the Gate from Dimension √µγ. [6 May 1932]?Letter to Clark Ashton Smith, Slope of Forgotten Gna-Haggosh in the Great White South: Day of the Reopening of the Gate from Dimension square root mu gamma [6 May 1932](2017)
- Letter to Clark Ashton Smith, Slope of Inaccessible Ngranek —Hour of the Night-Gaunts' Flight [23 October 1935] (2017)
- Letter to Clark Ashton Smith, Summit of Mt. Ngranek —Hour of the Fog with the Eyes [11 April 1935] (2017)
- Letter to Clark Ashton Smith, Thursday [(probably 3) October, 1929] (2017)
- Letter to Clark Ashton Smith, Thursday [28 August 1930] (2017)
- Letter to Clark Ashton Smith, Thursday, June 7[, 1928] (2017)
- Letter to Clark Ashton Smith, Tower of Gibbelins —Hour of the Shrieking [25 June 1934] (2017)
- Letter to Clark Ashton Smith, Tower of Narghan in Pnath —Hour When the Dogs Bay at the Opening of the Topmost Circular Window [January 1932] (2017)
- Letter to Clark Ashton Smith, Tower of the Broken Angle on the Night-Side of Yuggoth: Hour of the Triple Signal from the Other Dimension. [26 March 1932] (2017)
- Letter to Clark Ashton Smith, Tropic Jungle of Kham —Hour That the Moon Strikes the Leprous Crystal [Postmarked Daytona Beach, Florida 16 June 1935] (2017)
- Letter to Clark Ashton Smith, Trw's-Daag [14 October 1930] (2017)
- Letter to Clark Ashton Smith, Tuesday [19 November, 1929] (2017)
- Letter to Clark Ashton Smith, Twisting-Hour of the Seven-Dimensional Force Units in the Reverse-Angled Continuum Beyond the Universes of Matter, Black Light, & Asymmetrical Etheric Polarity. [Postmarked 27 December 1931] (2017)
- Letter to Clark Ashton Smith, Vale of Pnath: Hour of the Opening of The Under Burrows [26 March 1931] (2017)
- Letter to Clark Ashton Smith, Vaults of Zin—Time of the Metallic Clang from Beneath the Sealed Trap Door. [20 April 1932] (2017)
- Letter to Clark Ashton Smith, Viscous Vortex of S'llhaa Beyond the Rim. Hour of the Shaping of the Nucleus. [Postmarked 18 February 1932] (2017)
- Letter to Clark Ashton Smith, Vortex of Slth-Kgnr on the Liquid Planet Nrun in the Central Galaxy of the Sixth Dimension Beyond the City of the Singing Flame. Moment of the Up-Surge to Meet the Rising of the Black Satellite. [23 August 1931] (2017)
- Letter to Clark Ashton Smith, Window of Dread in the Oddly Slanted Turret Atop the Castle d'Affres on Mont des Ombres Betwixt Epouvance & Averoigne: Hour of the Opening, & of the Summoning of Something from the Void Beyond... [18 November 1932] (2017)
- Letter to Clark Ashton Smith, Windowless Tower of Ilat on the Slope of Yoonai—Hour of the Wave from Outside & the Humming Within. [Postmarked 28 October 1932] (2017)
- Letter to Clark Ashton Smith, Woden's Day [10 September 1930] (2017)
- Letter to Clark Ashton Smith, Wood of the Gangrenous Fungi —Hour of the Monstrous Multiplication [Postmarked 18 November 1933] (2017)
- Letter to Clark Ashton Smith, Yoth-Tlaggon—at the Crimson Spring. Hour of Amorphous Reflection. [4 April 1932] (2017)
- Letter to Donald A. Wollheim (1935)
- Letter to Donald Wollheim, date unknown ("Dear Wollheim: Here is something which Two-Gun Bob...") (1953)
- Letter to Edwin Hadley Smith (1941)
- Letter to F. Lee Baldwin (1943)
- Letter to Frank Belknap Long (1968)
- Letter to Myrta Alice Little (May 17, 1921) (1992)
- Letter to Robert Bloch, April 22, 1933 (1993)
- Letter to Robert Bloch, April 27, 1933 (1993)
- Letter to Robert Bloch, April 30 1935 (1993)
- Letter to Robert Bloch, April 9, 1934 (1993)
- Letter to Robert Bloch, August 11, 1934 (1993)
- Letter to Robert Bloch, August 12, 1936 (1993)
- Letter to Robert Bloch, August 31, 1936 (1993)
- Letter to Robert Bloch, c. August 19-20, 1933 (1993)
- Letter to Robert Bloch, c. August 1934 (1993)
- Letter to Robert Bloch, c. December 6, 1933 (1993)
- Letter to Robert Bloch, c. early February 1935 (1993)
- Letter to Robert Bloch, c. February-March 1935 (1993)
- Letter to Robert Bloch, c. late June, 1933 (1993)
- Letter to Robert Bloch, c. late October 1933 (1993)
- Letter to Robert Bloch, c. mid-April 1935 (1993)
- Letter to Robert Bloch, c. mid-July 1935 (1993)
- Letter to Robert Bloch, c. mid-September 1934 (1993)
- Letter to Robert Bloch, Dec. 3, 1936 (1993)
- Letter to Robert Bloch, December 15, 1933 (1993)
- Letter to Robert Bloch, December 22, 1934 (1993)
- Letter to Robert Bloch, December 28, 1935 (1993)
- Letter to Robert Bloch, December 4, 1935 (1993)
- Letter to Robert Bloch, early June 1935 (1993)
- Letter to Robert Bloch, early October 1935 (1993)
- Letter to Robert Bloch, early to mid July 1933 (1993)
- Letter to Robert Bloch, early to mid-November 1934 (1993)
- Letter to Robert Bloch, February 2, 1934 (1993)
- Letter to Robert Bloch, January 25, 1937 (1993)
- Letter to Robert Bloch, Jany. 7, 1937 (1993)
- Letter to Robert Bloch, July 14, 1934 (1993)
- Letter to Robert Bloch, July 21, 1934 (1993)
- Letter to Robert Bloch, July 22, 1933 (1993)
- Letter to Robert Bloch, June 1, 1933 (1993)
- Letter to Robert Bloch, June 21, 1933 (1993)
- Letter to Robert Bloch, June 8, 1934 (1993)
- Letter to Robert Bloch, June 9, 1933 (1993)
- Letter to Robert Bloch, late January 1935 (1993)
- Letter to Robert Bloch, late July 1933 (1993)
- Letter to Robert Bloch, late June 1936 (1993)
- Letter to Robert Bloch, late May 1933 (1993)
- Letter to Robert Bloch, late October 1934 (1993)
- Letter to Robert Bloch, March 14, 1936 (1993)
- Letter to Robert Bloch, March 1935 (1993)
- Letter to Robert Bloch, mid to late June 1935 (1993)
- Letter to Robert Bloch, mid-March 1935 (1993)
- Letter to Robert Bloch, mid-May 1936 (1993)
- Letter to Robert Bloch, November 1933 (1993)
- Letter to Robert Bloch, November 2, 1935 (1993)
- Letter to Robert Bloch, Oct. 15, 1936 (1993)
- Letter to Robert Bloch, postmarked October 18, 1934 (1993)
- Letter to Robert Bloch, September 15, 1933 (1993)
- Letter to Robert Bloch, September 19, 1935 (1993)
- Letter to Robert Bloch, September 25, 1933 (1993)
- Letter to Robert E. Howard, April 3, 1934 ("As I said on the postcard, I was....") (2009)
- Letter to Robert E. Howard, August 14, 1930 ("...Concerning early Europe and the 'little people'...:) (2009)
- Letter to Robert E. Howard, August 16, 1932 ("I cannot even begin to compete with your...") (2009)
- Letter to Robert E. Howard, August 6, 1931 ("I trust you have not wholly given me up for lost...") (2009)
- Letter to Robert E. Howard, August 7, 1935 ("...Now as to our controversies—for once, I am glad...") (2009)
- Letter to Robert E. Howard, December 26, 1931 ("Your interesting letter duly arrived...") (2009)
- Letter to Robert E. Howard, January 16, 1932 ("I'm glad my discourse on High and Low German...") (2009)
- Letter to Robert E. Howard, January 21, 1933 ("I duly received your ample and interesting...") (2009)
- Letter to Robert E. Howard, January 30, 1931 ("...Your rattlesnake anecdotes are surely interesting...") (2009)
- Letter to Robert E. Howard, July 11, 1935 ("...As for international questions —...") (2009)
- Letter to Robert E. Howard, July 20, 1930 ("I was greatly interested in your letter...") (2009)
- Letter to Robert E. Howard, July 24, 1933 ("I was delighted to receive your interesting letter...") (2009)
- Letter to Robert E. Howard, July 25, 1932 ("This reply to your admirably interesting...") (2009)
- Letter to Robert E. Howard, July 27, 1934 ("As you know from my card...") (2009)
- Letter to Robert E. Howard, June 8, 1932 ("Well—I'm writing you from a considerably lesser distance...") (2009)
- Letter to Robert E. Howard, March 25, 1933 ("I digested your extremely interesting letter of...") (2009)
- Letter to Robert E. Howard, May 7, 1932 ("Your interesting letter, the note, the postcard...") (2009)
- Letter to Robert E. Howard, May 7, 1936 ("...As for the good old controversy...") (2009)
- Letter to Robert E. Howard, November 2, 1933 ("...The summer here was cooler than I like...") (2009)
- Letter to Robert E. Howard, November 7-11, 1932 ("Your intensely interesting letter duly arrived, and I have digested it...") (2009)
- Letter to Robert E. Howard, October 3, 1932 ("Your highly interesting letter duly arrived, and I have...") (2009)
- Letter to Robert E. Howard, October 30, 1931 ("...As usual, your Texas reminiscences proved...") (2009)
- Letter to Robert E. Howard, October 4, 1930 ("...I agree with what you say about suggestion...") (2009)
- Letter to Robert E. Howard, September 12, 1931 ("...As for atavism and racial memory...") (2009)
- Letter to the Convention of the National Amateur Press Association (1936)
- Letter to the Editor of Driftwind (1932)
- Letter to the Editor of the All-Story Cavalier (1913)
- Letter to the Editor of the All-Story Weekly (1914)
- Letter to the Editor of the Scientific American (1906)
- Letter to the Editor of Weird Tales (1923)
- Letter to the Editor of Weird Tales (1923)
- Letter to the Editor of Weird Tales (1923)
- Letter to the Editor of Weird Tales (1924)
- Letter to the Editor of Weird Tales (1924)
- Letter to the Editor of Weird Tales (1926)
- Letter to the Editor of Weird Tales (1928)
- Letter to the Editor of Weird Tales (1928)
- Letter to the Editor of Weird Tales (1928)
- Letter to the Editor of Weird Tales (1934)
- Letter to the Editor of Weird Tales (1936)
- Letter to Vincent B. Haggerty (1935)
- Letter to Willis Conover (1936)
- Letter to Willis Conover (1937)
- Letter: H. P. Lovecraft to Clark Ashton Smith, June 23, 1930 (1976)
- Letter: H. P. Lovecraft to E. Hoffmann Price, July 5, 1936 (1970)
- Letters between H. P. Lovecraft and Orville L. Leach (2013)
- Letters to Carl Ferdinand Strauch (2010)
- Letters to Charles D. Hornig (1933)
- Letters to Farnsworth Wright (2014)
- Letters to Fritz and Jonquil Leiber (2003)
- Letters to Jim Blish, William Miller, Jr., and Nils H. Frome (1938)
- Letters to Lee McBride White (2007) with S. T. Joshi and David E. Schultz
- Letters to Marian F. Bonner (2015)
- Letters to the Coryciani (2017)
- Letters to the Editor of the Providence Sunday Journal (1906)
- Letters to Virgil Finlay (1974)
- Life for Humanity's Sake (1920)
- List of Primary Ideas Motivating Possible Weird Tales (1938)
- Literary Composition (1920)
- Looking Backwards (abridged version) (1955)
- Lord Dunsany and His Work (1922)
- Lovecraft on Love (1971)
- Lovecraft on Weird Fiction (1997)
- Lovecraft's Last Letter (1969)
- Lovecraft's Letter to Adolphe de Castro (1987)
- Lovecraft's Letters on "Adept's Gambit" (2019)
- Lovecraft's Letters on "Adept's Gambit" (abridged version: letter #2) (2019)
- Lovecraft's Letters to Vincent Starrett (1987)
- Lucubrations Lovecraftian (1921)
- May Skies (1917)
- Merlinus Redivivus (1918)
- Metrical Regularity (1915)
- More Chain Lightning (1915)
- Mrs Miniter - Estimates and Recollections (1938)
- Mrs. Miniter—-Estimates and Recollections (1934)
- Nietzscheism and Realism (1921)
- Notes and Commentary (Satan's Servants) (1949)
- Notes for "At the Mountains of Madness" (1949)
- Notes for "The Shadow Out of Time" (1949)
- Notes for "The Shadow over Innsmouth" (1949)
- Notes on "Alias Peter Marchall" by A. F. Lorenz (1993)
- Notes on a Nonentity (2010)
- Notes on Weird Fiction (1938)
- Notes on Writing Weird Fiction (1937)
- Notes to "Medusa's Coil" (2012)
- Notes to "The Challenge From Beyond" (1984)
- November Skies (1915)
- Observations on Several Parts of America (1928)
- Observations on Several Parts of North America (1944)
- Old England and the "Hyphen" (1916)
- On "Adept's Gambit" (2014)
- Ovid's Metamorphoses (1984)
- Poems Not in The Ancient Track (2009)
- Poesy (1918)
- Poetry and the Artistic Ideal (1943)
- Postcard to Charles D. Hornig (1987)
- Postcard to Robert E. Howard, [c. January 2, 1932] ("Behold the neo-Georgian splendors...") (2009) with W. Paul Cook
- Postcard to Robert E. Howard, [c. May 1931] ("Well- I've struck your ancient Spanish country at last...") (2009)
- Postcard to Robert E. Howard, [c. mid-October 1931] ("Here's a new tale which Talman asked me...") (2009)
- Postcard to Robert E. Howard, [No postmark; enclosed with letter?], c. May 1934 ("Hail, Conan! 'Queen of the Black Coast'...") (2009)
- Postcard to Robert E. Howard, April 25, 1934 ("Greetings from my favorite town!...) (2009)
- Postcard to Robert E. Howard, August 21, 1932 ("Just recd. your note. Here's another Newport view...") (2009)
- Postcard to Robert E. Howard, August 24, 1931 ("New England's oldest!...") (2009)
- Postcard to Robert E. Howard, January 26, 1932 ("Thanks for the final Thevenin article...") (2009)
- Postcard to Robert E. Howard, January 9, 1932 ("Thanks tremendously for the varied material...") (2009)
- Postcard to Robert E. Howard, June 14, 1932 ("Thanks profoundly for our unexpected & happily inspired...") (2009)
- Postcard to Robert E. Howard, June 21, 1932 ("Greetings from an old Confederate capital...") (2009)
- Postcard to Robert E. Howard, no postmark ("Old Salem with its special memories...") (2009)
- Postcard to Robert E. Howard, November 13, 1932 ("Thanks exceedingly for the very interesting cutting...") (2009)
- Postcard to Robert E. Howard, October 15, 1932 ("Thanks prodigiously for the splendid set...") (2009)
- Postcard to Robert E. Howard, postmarked August 12, 1935 ("______ of the Panhandle! Hope you're...") (2009)
- Postcard to Robert E. Howard, postmarked August 19, 1935 ("Thanks abundantly for the fress batch of...") (2009)
- Postcard to Robert E. Howard, postmarked August 20, 1935 ("On the road at last! The Barlows...") (2009)
- Postcard to Robert E. Howard, postmarked August 27, 1935 ("Greetings from ancient Charleston!...") (2009)
- Postcard to Robert E. Howard, September 1, 1930 ("This place surpasses all my expectations...") (2009)
- Postcard to Robert E. Howard, September 14, 1932 ("Greetings from a conclave of spectre-chasers!...") (2009) with Donald Wandrei
- Postcard to Robert E. Howard, September 22, 1932 ("Many thanks for the interesting issue...") (2009)
- Postcart to Robert E. Howard, postmarked October 25, 1933 ("Abundant & prodigious thanks for the marvellous...") (2009)
- Preface (A Dim-Remembered Story) (1980)
- Preface to Old World Footprints (1928)
- Preface to White Fire (1979)
- Presentazione (La casa sull'abisso) [Italian] (1996)
- Revolutionary Mythology (1916)
- Robert Ervin Howard: 1906-1936 (1936)
- Rudis Indigestaque Moles (1923)
- Science versus Charlatanry (1914)
- Sleepy Hollow To-day (1930)
- Some Additional Notes on Writing Weird Fiction (2020)
- Some Backgrounds of Fairyland (1944)
- Some Causes of Self-Immolation (1931)
- Some Current Motives and Practices (1936)
- Some Dutch Footprints in New England (1933)
- Some Notes on Interplanetary Fiction (1935)
- Some Repetitions on the Times (1933)
- Some Self-Criticism by H. P. Lovecraft (2012)
- Story-Writing: A Letter from HPL (1935)
- Sueños y fragmentos [Spanish] (2010)
- Suggestions for a Reading Guide (1966)
- Suggestions for Writing Story (1938)
- Supernatural Horror in Literature (1927)
- Supernatural Horror in Literature (excerpt) (1927)
- Supernatural Horror in Literature (Part 1 of 18) (1927)
- Supernatural Horror in Literature (Part 10 of 18) (1927)
- Supernatural Horror in Literature (Part 11 of 18) (1927)
- Supernatural Horror in Literature (Part 12 of 18) (1927)
- Supernatural Horror in Literature (Part 13 of 18) (1927)
- Supernatural Horror in Literature (Part 14 of 18) (1927)
- Supernatural Horror in Literature (Part 15 of 18) (1927)
- Supernatural Horror in Literature (Part 16 of 18) (1927)
- Supernatural Horror in Literature (Part 17 of 18) (1927)
- Supernatural Horror in Literature (Part 2 of 18) (1927)
- Supernatural Horror in Literature (Part 3 of 18) (1927)
- Supernatural Horror in Literature (Part 4 of 18) (1927)
- Supernatural Horror in Literature (Part 5 of 18) (1927)
- Supernatural Horror in Literature (Part 6 of 18) (1927)
- Supernatural Horror in Literature (Part 7 of 18) (1927)
- Supernatural Horror in Literature (Part 8 of 18) (1927)
- Supernatural Horror in Literature (Part 9 of 18) (1927)
- Sur l'authenticité du Necronomicon [French] (1991)
- Sur le catholicisme [French] (1992)
- Symphony and Stress (1915)
- Sélection de lettres entre H.P. Lovecraft et C.A. Smith [French] (2021) with Clark Ashton Smith
- Textual Notes (1997)
- The Allowable Rhyme (1915)
- The Brief Autobiography of an Inconsequential Scribbler (1919)
- The Case for Classicism (1919)
- The Case for Classicism: A Reply to Prof. Philip B. McDonald (1919)
- The Cosmos & Religion (1975)
- The Crime of the Century (1915)
- The Defence Remains Open (1921)
- The Defence Reopens! (1921)
- The Despised Pastoral (1918)
- The Dignity in Journalism (1981)
- The Dignity of Journalism (1915)
- The Earth Not Hollow (1906)
- The Fall of Astrology (1914)
- The Haverhill Convention (1921)
- The Homes and Shrines of Poe (1934)
- The Incantation from Red Hook (1975)
- The League (1919)
- The Literature of Rome (1918)
- The Loyal Coalition (1921)
- The Materialist Today (1926)
- The Old Brick Row (1929)
- The Omnipresent Philistine (1924)
- The Poem of Ulysses (1982)
- The Poetry of Lilian Middleton (1922)
- The Professional Incubus (1924)
- The Renaissance of Manhood (1915)
- The Simple Spelling Mania (1918)
- The Supernatural and Edgar Allan Poe (1927)
- The Symphonic Ideal (1916)
- The Trip of Theobald (1927)
- The Truth About Mars (1917)
- The Unknown City in the Ocean (1934)
- The Vers Libre Epidemic (1917)
- The Very Old Folk (1940)
- The Weird Work of William Hope Hodgson (1937)
- The Work of Frank Belknap Long, Jr. (1924)
- Time and Space (1918)
- To Edwin Baird (May, 1923) (1923)
- To Edwin Baird (November, 1923) (1923)
- To Nils H. Frome (1937)
- To The All-Story Weekly (1914)
- Trans-Neptunian Planets (1906)
- Travels in the Provinces of America (1929)
- Trimmings (1919)
- Two Comments (1944)
- Two Letters from Lovecraft (1989)
- Two Letters to the Editor of the Argosy (1914)
- Types of Weird Story (1938)
- United Amateur Press Association: Exponent of Amateur Journalism (1916)
- Vermont--A First Impression (1928)
- Vermont: A First Impression (1928)
- Ward Phillips Replies (1918)
- Weird Story Plots (2020)
- What Amateurdom and I have Done for Each Other (1921)
- What Belongs in Verse (1935)
- Winifred Virginia Jackson: A "Different" Poetess. (1921)
- Witch House (1965)
- Within the Gates (1921)
- Autobiographical Writings (1992)
- H. P. Lovecraft: Letters to Henry Kuttner (1990)
- Lovecraft Studies, #25 Fall 1991 (1991)
- A Description of the Town of Quebeck, in New Fance, Lately added to His Britannick Majesty's Dominions (1976)
- An Old One (2014)
- Being from At the Mountains of Madness (1949)
- Charleston Antiquities (1995)
- Cthulhu (1999)
- Cthulhu as drawn by H. P. Lovecraft (1996)
- Design for My Gravestone (1949)
- Drawing of Lovecraft's Birthplace (1944)
- Drawings for Charleston Letter (1944)
- Jupiter, as Seen Near Opposition (1904)
- Letter from Lovecraft to Finlay dated November 30, 1936 [Japanese] (2016)
- Letter to Clark Ashton Smith, At the Monolith on the Mound —Hour That the Dogs Howl [Postmarked 11 February 1934] (2017)
- Letter to Clark Ashton Smith, Botomless Well of Yeguggon— Hour That the Snout Appears [20 June 1936] (2017)
- Letter to Clark Ashton Smith, Daemon-Curst Wood of Yoth— Hour That the Livid, Fungous Boughs Sway Against the Muttering Wind [22 October 1933] (2017)
- Letter to Clark Ashton Smith, Field of the Ultra-Spectral Rays —Hour of the Spiral Wind from Nith [29 June 1933] (2017)
- Letter to Clark Ashton Smith, From the 66th Vortex of the New Space-Time Abyss— Hour of the Faint Scratching. [31 May 1933] (2017)
- Letter to Clark Ashton Smith, July 30, 1923 (2017)
- Letter to Clark Ashton Smith, Octr 17, 1923 (2017)
- Letter to Clark Ashton Smith, Tropic Jungle of Kham —Hour That the Moon Strikes the Leprous Crystal [Postmarked Daytona Beach, Florida 16 June 1935] (2017)
- Letter to Robert Bloch, late May 1933 (1993)
- Letter to Robert Bloch, mid to late June 1935 (1993)
- Lovecraft's Map of Arkham (1993)
- Lovecraft's Plan of Arkham (1944)
- Map of Arkham (2014)
- Necropolis of Khar-Zog: Hour of the Piping from Below (1993)
- Pickman's Model (1934)
- Pickman's Model (1944)
- Pickman's Model (2015)
- Skelos, #3, Fall 2017 (2017)
- Sonia H. Greene, at Magnoia, Massachusetts in 1922 (1985)
- The "Blasted Heath" (2014)
- The Elder God, Cthulhu (2015)
- The Hellish Nether Entity (1993)
- The Shadow over Innsmouth (map) (1949)
- A Strange Story (2004) by Edward Bulwer-Lytton
- Caleb Williams (2004) by William Godwin
- Carnacki, the Ghost-Finder (2004) by William Hope Hodgson
- Cold Harbour (2004) by Francis Brett Young
- Count Magnus (2004) by M. R. James
- Dracula (2004) by Bram Stoker
- Ebony and Crystal: Poems in Verse and Prose (1924) by Clark Ashton Smith
- Ethan Brand (2004) by Nathaniel Hawthorne
- Frankenstein, or, The Modern Prometheus (2004) by Mary Shelley
- Incredible Adventures (2004) by Algernon Blackwood
- John Silence, Physician Extraordinary (2004) by Algernon Blackwood
- Ligeia (2004) by Edgar Allan Poe
- Melmoth the Wanderer (2004) by Charles Robert Maturin
- Metzengerstein (2004) by Edgar Allan Poe
- Novel of the White Powder (2004) by Arthur Machen
-
One of Cleopatra's Nights (2004)
by
Théophile Gautier?Theophile Gautier
- Sir Bertrand (2004) by Mrs. Anne Letitia Barbauld
- The Amber Witch (2004) by Wilhelm Meinhold
- The Boats of the Glen Carrig (2004) by William Hope Hodgson
- The Book of Wonder (2004) by Lord Dunsany
- The Castle of Otranto (2004) by Horace Walpole
- The Dark Chamber (2004) by Leonard Cline
- The Death of Halpin Frayser (2004) by Ambrose Bierce
- The Epicurean: A Tale (2004) by Thomas Moore
- The Fall of the House of Usher (2004) by Edgar Allan Poe
- The Ghost Pirates (2004) by William Hope Hodgson
- The Gods of the Mountain (2004) by Lord Dunsany
- The Golem (2004) by Gustav Meyrink
- The Great God Pan (2004) by Arthur Machen
- The History of the Caliph Vathek (2004) by William Beckford
- The Horla (2004) by Guy de Maupassant
- The House of Sounds (2004) by Matthew Phipps Shiel
- The House of the Seven Gables (2004) by Nathaniel Hawthorne
- The House on the Borderland (2004) by William Hope Hodgson
- The King in Yellow (1988) by Robert W. Chambers
- The Marble Faun (2004) by Nathaniel Hawthorne
- The Mark of the Beast (2004) by Rudyard Kipling
- The Middle Toe of the Right Foot (2004) by Ambrose Bierce
- The Monk (2004) by Matthew Gregory Lewis
- The Mysteries of Udolpho (2004) by Ann Radcliffe
- The Night Land (2004) by William Hope Hodgson
- The Novel of the Black Seal (2004) by Arthur Machen
- The Old English Baron (2004) by Clara Reeve
- The Picture of Dorian Gray (2004) by Oscar Wilde
- The Purple Cloud (2004) by Matthew Phipps Shiel
- The Signalman (2004) by Charles Dickens
- The Spook House (2004) by Ambrose Bierce
- The Suitable Surroundings (2004) by Ambrose Bierce
- The Three Imposters (2004) by Arthur Machen
- The Treasure of Abbot Thomas (2004) by M. R. James
- The Turn of the Screw (2004) by Henry James
- The Vampyre (2004) by John William Polidori
- The Wendigo (2004) by Algernon Blackwood
- The White People (2004) by Arthur Machen
- The Willows (2004) by Algernon Blackwood
- The Yellow Sign (2004) by Robert W. Chambers
- Undine (2004) by Frederick, Baron De La Motte Fouqué
- Wieland, or, The Transformation (2004) by Charles Brockden Brown
- Witch Wood (2004) by John Buchan
- Wuthering Heights (2004) by Emily Brontë
- Zanoni (2004) by Edward Bulwer-Lytton
- Bruce Sterling entrevista H. P. Lovecraft [Portuguese] (2008) by Bruce Sterling
Non-Genre Titles
Magazine Editor Poems
- My Favorite Character (1926)
- Ode for July Fourth, 1917 (1917)
