| Verfasser | Häufigkeit |
| Koll, Robert |
23 |
| Koll, Rotraut |
11 |
| Dienst, Leonore |
9 |
| Rabofski, Birgit |
9 |
| Böventer, Edwin von 1931-1994 |
6 |
| Illing, Gerhard 1955- |
5 |
| Kiemer, Klaus |
4 |
| Koll, Karsten 1944- |
4 |
| Koll, Regine |
4 |
| Koll, Roman 1882-1971 |
4 |
| Böventer, Edwin von |
3 |
| Gliese, Rochus |
3 |
| Hampe, Johannes |
3 |
| Koll, Reinhard 1945-2017 |
3 |
| Koll, Rolf D. 1947- |
3 |
| Nam, Chang-woon 1959- |
3 |
| Ochel, Wolfgang |
3 |
| Rudolph, Jürgen 1944- |
3 |
| Schüfftan, Eugen |
3 |
| Siodmak, Robert |
3 |