| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| 1957 |
|
The 13th Immortal / This Fortress World | Ace Books | Omnibus | 5 |
| August 1962 |
|
Der 13. Unsterbliche | Moewig | Novel | 1 |
| January 1974 |
|
Der 13. Unsterbliche | Pabel-Moewig | Novel | 5 |
| October 2004 |
|
The 13th Immortal | Cosmos Books / Wildside Press | Novel | |
| March 2009 |
|
The 13th Immortal | Cosmos Books / Wildside Press | Novel | 13 |
| September 2011 |
|
The Thirteenth Immortal | Gateway / Orion | Novel | |
| February 2012 |
|
The 13th Immortal | Gate Way Publishers | Novel | |
| June 2021 | The 13th Immortal | Project Gutenberg | Novel | ||
| February 2022 |
|
The 13th Immortal | Moncreiffe Press | Novel | |
| September 2022 |
|
The 13th Immortal | Otbebookpublishing | Novel |