| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| July 1972 |
|
Die Weltraumhöhle | Moewig | Chapbook |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| July 1972 |
|
Die Weltraumhöhle | Moewig | Chapbook |