The Observatory (Amazing Stories, February 1942)
| First published | February 1943 |
|---|---|
| Type | Essay |
| Series | Editorial (Amazing Stories) |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| February 1943 |
|
Amazing Stories, February 1943 | Ziff-Davis Publishing Company | MAGAZINE | 6 |
| August 2013 |
|
Amazing Stories, February 1942 | Pulp Tales Press | Anthology | 6 |
| May 2015 |
|
Science Fiction Classics #9 | Pulp Tales Press | Anthology | 6 |
| February 2016 |
|
Science Fiction Classics #12 | Pulp Tales Press | Anthology | 6 |