Letter (Captain Future, Winter 1944): Elementary Principles
| First published | November 1943 |
|---|---|
| Type | Essay |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| November 1943 |
|
Captain Future, Winter 1944 | Better Publications, Inc. | MAGAZINE | 127 |
| July 2015 |
|
Captain Future, Winter 1944 | Adventure House | Anthology | 127 |