| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| 1970 |
|
The Communipaths / The Noblest Experiment in the Galaxy | Ace Books | Omnibus | 5|5 |
| December 1972 |
|
Der Q-Faktor | Fischer Taschenbuch | Novel | |
| August 1980 |
|
Communipath Worlds | Pocket Books | Omnibus | 1 |
| August 1980 |
|
Communipath Worlds | Pocket Books | Omnibus | 1 |