| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| February 1978 |
|
Orion, #66: Botschaft aus dem Jenseits | Pabel | MAGAZINE | |
| 1980 |
|
The Alien World: The Complete Illustrated Guide | Crescent Books | Nonfiction | 86 |
| 1980 |
|
The Alien World: The Complete Illustrated Guide | Octopus Books | Nonfiction | 86 |