The Observatory (Amazing Stories, December 1940)
| First published | December 1940 |
|---|---|
| Type | Essay |
| Series | Editorial (Amazing Stories) |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| December 1940 |
|
Amazing Stories, December 1940 | Ziff-Davis Publishing Company | MAGAZINE | 7 |
| December 2013 |
|
Amazing Stories, December 1940 | Pulp Tales Press | Anthology | 7 |