| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| June 1972 |
|
Earthworks | New English Library | Novel | |
| September 1972 |
|
Earthworks | New English Library | Novel | |
| November 1973 |
|
Ysee-A | De Vrijbuiter / De Schorpioen | Novel | |
| October 1974 |
|
Science Fiction Monthly, October 1974 | New English Library | MAGAZINE | |
| December 1974 |
|
Earthworks | New English Library | Novel | |
| January 1975 |
|
Phantom der Freiheit | Pabel | Anthology | |
| March 1976 |
|
L'orbita spezzata | Casa Editrice La Tribuna | Novel | |
| January 1977 |
|
Science-Fiction Magazine, #3 | Les Éditions de France | MAGAZINE | |
| 1978 |
|
Vlucht in de leegte | Gradivus | Novel | |
| July 1978 |
|
Les abominations de Cthulhu | Albin Michel | Novel | |
| July 1979 |
|
SF Perry Rhodan Magazin, 4/79 | Pabel | MAGAZINE | |
| January 1991 |
|
The Bruce Pennington Portfolio | Paper Tiger / Dragon's World | Nonfiction | [19] |
| June 1992 |
|
Ultraterranium | Paper Tiger / Dragon's World | Nonfiction | |
| June 1992 |
|
Ultraterranium | Paper Tiger / Dragon's World | Nonfiction | 42 |