Initially only of novella length the text was revised and expanded into a novel for "Into the Slave Nebula"
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| February 1960 |
|
Dr. Futurity / Slavers of Space | Ace Books | Omnibus | 5 |
| June 1960 |
|
Les négriers du cosmos | Ditis | Novel | 5 |
| March 1961 |
|
Bürger der Galaxis | Moewig | Novel | |
| October 1968 |
|
Into the Slave Nebula | Lancer Books | Novel | 5 |
| October 1968 |
|
Into the Slave Nebula | Lancer Books | Novel | 5 |
| August 1970 |
|
Bürger der Galaxis | Heyne | Novel | |
| July 1972 |
|
Into the Slave Nebula | Lancer Books | Novel | 5 |
| July 1972 |
|
Into the Slave Nebula | Lancer Books | Novel | 5 |
| September 1980 |
|
Into the Slave Nebula | Millington | Novel | 5 |
| August 1982 |
|
Into the Slave Nebula | Corgi Books / Transworld Publishers | Novel | 5 |
| February 1985 |
|
Welten der Zukunft: Chroniken aus Raum und Zeit Band 4 | Heyne | Omnibus | 279 |
| September 2011 |
|
Into the Slave Nebula | Gateway / Orion | Novel |