Letter (Astounding, April 1940): 'Fraid Rogers Isn't a Professional Tank Designer.
| First published | April 1940 |
|---|---|
| Type | Essay |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| April 1940 |
|
Astounding Science-Fiction, April 1940 | Street & Smith Publications, Inc. | MAGAZINE | 159|159.2 |