| Verfasser | Häufigkeit |
| Heering, Wilhelm Christian August 1876-1916 |
16 |
| Bergstra, Jan A. 1951- |
7 |
| Heering, Jan |
5 |
| Heering, Caroline |
4 |
| Klint, Paul |
4 |
| Affolter, Helene 1963- |
3 |
| Heering, Albert |
3 |
| Heering, Alexandra de |
3 |
| Heering, Christian 1958- |
3 |
| Dekoninck, Ralph |
2 |
| Heering, Andrea |
2 |
| Heering, Jürgen |
2 |
| Heering, Peter 1961- |
2 |
| Heering, Werner |
2 |
| Hüsken, André |
2 |
| Albrand, Carlheinz |
1 |
| Cordon, Nicolas |
1 |
| Degans, Édouard |
1 |
| Delbeke, Maarten 1970- |
1 |
| Delfosse, Annick |
1 |