| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| February 1968 |
|
SFWA Bulletin, February 1968 | The Science Fiction Writers of America | MAGAZINE | 1 |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| February 1968 |
|
SFWA Bulletin, February 1968 | The Science Fiction Writers of America | MAGAZINE | 1 |