Letter (Astounding Science-Fiction, September 1941): R. Heinlein, Producer.
| First published | September 1941 |
|---|---|
| Type | Essay |
Publications (1)
| Date | Publication | Publisher | Type | Page |
|---|---|---|---|---|
| September 1941 | Astounding Science-Fiction, September 1941 | Street & Smith Publications, Inc. | MAGAZINE | 131 |