| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| May 1937 |
|
Amateur Correspondent, May-June 1937 | Corwin F. Stickney | FANZINE | 7 |
| 1944 |
|
Marginalia | Arkham House | Collection | 135 |
| 1968 |
|
The Arkham Collector, Winter 1968 | Arkham House | MAGAZINE | 26 |
| 1971 |
|
The Arkham Collector, Vol. 1 | Arkham House | Anthology | 26 |
| 1977 |
|
Amateur Correspondent, May-June 1937 (Reprint) | Necronomicon Press | FANZINE | 7 |
| October 1982 |
|
Uncollected Prose and Poetry 3 | Necronomicon Press | Collection | 42 |
| February 1995 |
|
Miscellaneous Writings | Arkham House | Collection | 113 |
| September 2001 |
|
Black Seas of Infinity | Science Fiction Book Club | Collection | 523 |
| November 2007 |
|
Tales of H. P. Lovecraft | Harper Perennial Modern Classics | Collection | A9 |
| April 2011 |
|
Supernatural Horror in Literature & Other Literary Essays | Wildside Press | Collection | 113 |
| April 2013 |
|
O mundo fantástico de H. P. Lovecraft | Clock Tower | Collection | 389 |
| November 2013 |
|
Biografia di uno scrittore da quattro soldi | Mattioli 1885 | Nonfiction | |4 |
| 2014 |
|
Complete Collection of H. P. Lovecraft | Ageless Reads | Omnibus | |80 |
| April 2015 |
|
L'appel de Cthulhu: suivi de Notes sur l'écriture de la fiction surnaturelle | Seuil | Chapbook | |
| March 2016 |
|
O mundo fantástico de H. P. Lovecraft | Clock Tower | Collection | 389 |
| September 2019 |
|
Korad, September-December 2019 | Centro de Formación Literaria Onelio Jorge Cardoso | MAGAZINE | |
| January 2020 |
|
Ensayos literarios | Páginas de Espuma | Nonfiction | 229 |
| February 2020 |
|
Ensayos literarios | Páginas de Espuma | Nonfiction | |229 |
| May 2020 |
|
Biografia di uno scrittore da quattro soldi | Mattioli 1885 | Nonfiction | |4 |
| September 2021 |
|
Essais - Correspondance - Poésie - Révisions | Mnémos | Collection | 145 |
| September 2021 |
|
Intégrale | Mnémos | Omnibus | 145|6145 |
| July 2024 |
|
The Theory of the Weird Tale | Sarnath Press | Nonfiction | 224 |
| July 2024 |
|
The Theory of the Weird Tale | Sarnath Press | Nonfiction | |224 |