Prelude to Engineering
| First published | August 1941 |
|---|---|
| Type | Essay |
Publications (2)
| Date | Publication | Publisher | Type | Page |
|---|---|---|---|---|
| August 1941 | Astounding Science-Fiction, August 1941 | Street & Smith Publications, Inc. | MAGAZINE | 110 |
| August 1941 | Astounding Science-Fiction, August 1941 | Atlas Publishing and Distribution Co. Ltd | MAGAZINE | 38 |