Scientific Mysteries: How Long Has the Earth to Live?
| First published | 1941 |
|---|---|
| Type | Essay |
Publications (2)
| Date | Publication | Publisher | Type | Page |
|---|---|---|---|---|
| 1941 | Amazing Stories Quarterly (Reissue), Fall 1941 | Ziff-Davis | MAGAZINE | 54 |11 |
| February 1941 | Amazing Stories, February 1941 | Ziff-Davis Publishing Company | MAGAZINE | 84 |