Under Observation (Captain Future, Spring 1942)
| First published | March 1942 |
|---|---|
| Type | Essay |
| Series | Under Observation |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| March 1942 |
|
Captain Future, Spring 1942 | Better Publications, Inc. | MAGAZINE | 10 |
| November 2016 |
|
Captain Future, Spring 1942 | Adventure House | Anthology | 10 |