The Swap Column (Thrilling Wonder Stories, May 1940)
| First published | May 1940 |
|---|---|
| Type | Essay |
| Series | The Swap Column |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| May 1940 |
|
Thrilling Wonder Stories, May 1940 | Better Publications, Inc. | MAGAZINE | 13 |