| Verfasser | Häufigkeit |
| Geilen, Christoph Claus |
5 |
| Geilen, Cyprienne Isabell |
2 |
| Basten, Twan |
1 |
| Blume-Peytavi, U. |
1 |
| Catthoor, Francky |
1 |
| Garbe, Claus |
1 |
| Geilen, C. C. |
1 |
| Geilen, C. G. |
1 |
| Geilen, Christoph C. |
1 |
| Geilen, Constantin |
1 |
| Geilen, Marc |
1 |
| Hinkelbein, Wolfgang 1948- |
1 |
| Kjeldsberg, Per Gunnar |
1 |
| Orfanos, C. E. 1936- |
1 |
| Orfanos, Constantin E. |
1 |
| Sternemann, Maria |
1 |
| Wiegel, Thomas |
1 |
| Zilligen-Geilen, Christa |
1 |
| Zompakis, Nikolaos |
1 |