Letter (Astounding Science-Fiction, March 1939): Williamson Coming Up—with a Sequel to "The Cometeers."
| First published | March 1939 |
|---|---|
| Type | Essay |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| March 1939 |
|
Astounding Science-Fiction, March 1939 | Street & Smith Publications, Inc. | MAGAZINE | 159|159.1 |