| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| 1971 |
|
Unternehmen Ares | Bastei Lübbe | Novel | |
| December 1972 |
|
Pebble in the Sky | Sphere | Novel | |
| 1973 |
|
Unternehmen Ares | Bastei Lübbe | Novel | |
| 1974 |
|
Pebble in the Sky | Sphere | Novel |