Grandfather Paradox
| First published | 1950 |
|---|---|
| Type | Short Fiction |
| Length | Short Story |
Publications (3)
| Date | Publication | Publisher | Type | Page |
|---|---|---|---|---|
| 1950 | Fantastic Adventures, (#1) | Thorpe & Porter | MAGAZINE | 136 |
| 1950 | Fantastic Adventures Quarterly, Fall 1950 | Ziff-Davis Publishing Company | MAGAZINE | 136 |
| April 1950 | Fantastic Adventures, April 1950 | Ziff-Davis Publishing Company | MAGAZINE | 136 |