Scientifacts (Thrilling Wonder Stories, February 1941)
| First published | February 1941 |
|---|---|
| Type | Essay |
| Series | Scientifacts |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| February 1941 |
|
Thrilling Wonder Stories, February 1941 | Better Publications, Inc. | MAGAZINE | 78 |
| November 2014 |
|
Thrilling Wonder Stories, February 1941 | Adventure House | Anthology | 78 |