| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| April 1957 |
|
Fantastic, April 1957 | Ziff-Davis Publishing Company | MAGAZINE | 6 |
| May 1957 |
|
Fantastic, May 1957 | Ziff-Davis Publishing Company | MAGAZINE | 60 |
| January 2013 |
|
The Vengeance of Kyvor / At the Earth's Core | Armchair Fiction | Omnibus | |1 |