Letter (Astounding, December 1939): To the Defense of Rays
| First published | December 1939 |
|---|---|
| Type | Essay |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| December 1939 |
|
Astounding Science Fiction, December 1939 | Street & Smith Publications, Inc. | MAGAZINE | 108|108.2 |