Letter (Astounding Stories of Super-Science, May 1930)
| First published | May 1930 |
|---|---|
| Type | Essay |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| May 1930 |
|
Astounding Stories of Super-Science, May 1930 | Publishers' Fiscal Corp | MAGAZINE | 278|278.2 |