| Verfasser | Häufigkeit |
| Diepen, Gerhard |
41 |
| Sauter, Werner 1950- |
10 |
| Hagenmüller, Karl Friedrich 1917-2009 |
8 |
| Diepen, Geert van |
7 |
| Kalveram, Thomas |
4 |
| Diepen, George A. |
2 |
| Diepen, Dirk van 1894-1977 |
1 |
| Diepen, Geert van 1954- |
1 |
| Diepen, Geertvan |
1 |
| Rönnburg, Fritz |
1 |
| Schröder, Artur |
1 |