Master Control
| First published | April 1940 |
|---|---|
| Type | Short Fiction |
| Length | Novelette |
| Series | Purple and Gray #3 |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| April 1940 |
|
Astonishing Stories, April 1940 | Fictioneers, Inc. | MAGAZINE | 34 |