| Verfasser | Häufigkeit |
| Wirth, Franz Peter 1919-1999 |
17 |
| Wirth, Niklaus 1934-2024 |
14 |
| Jensen, Kathleen |
10 |
| Wirth, Josef Karl 1907-1976 |
10 |
| Friberth, Karl 1736-1816 |
8 |
| Haydn, Joseph 1732-1809 |
8 |
| Wirth, Helmut 1912-1989 |
8 |
| Kleve, Heiko 1969- |
7 |
| Wirth, Jan Volker 1967- |
7 |
| Boysen, Rolf 1920-2014 |
6 |
| Solf, Reinhild 1940-2022 |
6 |
| Wirth, Axel 1951- |
6 |
| Moser, Fritz |
5 |
| Thomass, Eugen 1927-2009 |
5 |
| Unkel, Rolf 1912-1990 |
5 |
| Wirth, Carl-Joachim 1940- |
5 |
| Wirth, Jürgen |
5 |
| Wirth, Karin ca. 20./21. Jh |
5 |
| Wirth, Wolf |
5 |
| Dessau, Paul 1894-1979 |
4 |