| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| September 1977 |
|
SunCon: Thirty-Fifth World Science Fiction Convention | SunCon | Nonfiction | 23 |
| August 2004 |
|
Seventy-Five: The Diamond Anniversary of a Science Fiction Pioneer | Haffner Press | Collection | 297 |
| August 2004 |
|
Seventy-Five: The Diamond Anniversary of a Science Fiction Pioneer | Haffner Press | Collection | 297 |