Letter (Astounding, May 1939): Simak Has Another Powerful Serial Under Way.
| First published | May 1939 |
|---|---|
| Type | Essay |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| May 1939 |
|
Astounding Science-Fiction, May 1939 | Street & Smith Publications, Inc. | MAGAZINE | 156|156.3 |