The Mystery of Element 117
| First published | December 1949 |
|---|---|
| Type | Short Fiction |
| Length | Novelette |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| December 1949 |
|
Amazing Stories, December 1949 | Ziff-Davis Publishing Company | MAGAZINE | 102 |
| 1950 |
|
Amazing Stories Quarterly (Reissue), Summer 1950 | Ziff-Davis | MAGAZINE | 102 |7 |