| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| October 1962 |
|
At the Earth's Core | Canaveral Press | Novel | |
| January 1963 | At the Earth's Core | Canaveral Press | Novel |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| October 1962 |
|
At the Earth's Core | Canaveral Press | Novel | |
| January 1963 | At the Earth's Core | Canaveral Press | Novel |