The Story Behind the Story: The Riss-Wurm Period (The Loot of Time)
| First published | December 1938 |
|---|---|
| Type | Essay |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| December 1938 |
|
Thrilling Wonder Stories, December 1938 | Better Publications, Inc. | MAGAZINE | 12 |
| December 2016 |
|
Thrilling Wonder Stories, December 1938 | Adventure House | Anthology | 12 |