| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| 1967 |
|
These Savage Futurians / The Double Invaders | Ace Books | Omnibus | 5|4 |
| April 1969 |
|
These Savage Futurians | Dennis Dobson | Novel | |
| December 1970 |
|
Die Insel der Wissenschaftler | Moewig | Novel | 5 |
| 1973 |
|
Depois da derrocada | Livros do Brasil | Novel | |
| December 2000 |
|
These Savage Futurians | Cosmos Books / Wildside Press | Novel | |
| September 2011 |
|
These Savage Futurians | Gateway / Orion | Novel |