Appendix: The Fantasy and Science Fiction of the Early Years
| First published | February 1975 |
|---|---|
| Type | Essay |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| February 1975 |
|
Early del Rey | Doubleday | Collection | 421 |
| August 1975 |
|
Early del Rey | Doubleday / SFBC | Collection | 531 |
| September 1976 |
|
The Early del Rey: Volume 2 | Ballantine Books | Collection | 329 |
| September 1976 |
|
The Early del Rey: Volume 2 | Ballantine Books | Collection | 329 |