| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| September 1976 |
|
Merlin's Godson | Ballantine Books | Omnibus | |
| September 1976 |
|
Merlin's Godson | Ballantine Books | Omnibus | |
| January 1977 |
|
Merlin's Godson | Ballantine Books | Omnibus | |
| November 1977 |
|
Merlin's Godson | Del Rey / Ballantine | Omnibus | |
| December 1979 |
|
Merlin's Godson | Del Rey / Ballantine | Omnibus | |
| October 2001 |
|
Fantasy of the 20th Century: An Illustrated History | Collectors Press | Nonfiction | 119 |
| October 2002 |
|
Art of Imagination: 20th Century Visions of Science Fiction, Horror, and Fantasy | Collectors Press | Omnibus | 627 |
| November 2004 |
|
Fantasy of the 20th Century: An Illustrated History | Barnes & Noble Books | Nonfiction | 119 |