H. J. Campbell Writes... (Authentic Science Fiction Monthly, April 15, 1955)
| First published | April 1955 |
|---|---|
| Type | Essay |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| April 1955 |
|
Authentic Science Fiction Monthly, April 15, 1955 | Hamilton & Co. | MAGAZINE | 2 |