Letter (Astounding, October 1939): For the British Interplanetary Society.
| First published | October 1939 |
|---|---|
| Type | Essay |
| Series | Letters: Arthur C. Clarke |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| October 1939 |
|
Astounding Science-Fiction, October 1939 | Street & Smith Publications, Inc. | MAGAZINE | 162 |