Seven Worlds to Conquer (Part 6 of 6)
| First published | February 1937 |
|---|---|
| Type | Serial |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| February 1937 |
|
Argosy, February 13, 1937 | The Frank A. Munsey Company | MAGAZINE | 118 |