Scientifacts (Thrilling Wonder Stories, April 1940)
| First published | April 1940 |
|---|---|
| Type | Essay |
| Series | Scientifacts |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| April 1940 |
|
Thrilling Wonder Stories, April 1940 | Better Publications, Inc. | MAGAZINE | 46 |