Adriaan ( Ad ) C. M. Beers - Dutch author - 1923-1998
| English title | Dutch title | Translator | published | format | publisher | ISBN |
| Operation Survival Earth | Buitenaardse beschaving; de planeet Iarga | Lodge, Jim | ( 1969 ) 1977 | p/b | Pocket Books | 0671808400 / 9780671808402 |