| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| May 1970 |
|
The Dream-Quest of Unknown Kadath | Ballantine Books | Collection | |
| July 1971 |
|
The Dream-Quest of Unknown Kadath | Ballantine Books | Collection | |
| 1973 |
|
The Dream-Quest of Unknown Kadath | Ballantine Books | Collection | |
| October 1974 |
|
The Dream-Quest of Unknown Kadath | Ballantine Books | Collection | |
| August 1976 |
|
The Fantastic World of Gervasio Gallardo | Peacock Press / Bantam | Nonfiction | [73] |
| December 2000 |
|
Chronicles of the Cthulhu Codex, Winter 2000 | Fungoid Press | FANZINE | |
| October 2001 |
|
Fantasy of the 20th Century: An Illustrated History | Collectors Press | Nonfiction | 193 |
| October 2002 |
|
Art of Imagination: 20th Century Visions of Science Fiction, Horror, and Fantasy | Collectors Press | Omnibus | 701 |
| November 2004 |
|
Fantasy of the 20th Century: An Illustrated History | Barnes & Noble Books | Nonfiction | 193 |