| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| 1961 |
|
The Primal Urge | Ballantine Books | Novel | 7 |
| 1967 |
|
The Primal Urge | Sphere Books | Novel | 7 |
| March 1972 |
|
The Primal Urge | Sphere Books | Novel | 7 |
| March 1985 |
|
Es brennt ein Licht | Bastei Lübbe | Novel | 5 |
| July 1997 |
|
La lampada dell'amore | Mondadori | Novel | 13 |