Scientifacts (Thrilling Wonder Stories, April 1937)
| First published | April 1937 |
|---|---|
| Type | Essay |
| Series | Scientifacts |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| April 1937 |
|
Thrilling Wonder Stories, April 1937 | Beacon Magazines, Inc. | MAGAZINE | 58 |
| October 2016 |
|
Thrilling Wonder Stories, April 1937 | Adventure House | Anthology | 58 |
| 2019 |
|
Thrilling Wonder Stories, April 1937 | Pulp Tales Press | Anthology | 58 |