| Verfasser | Häufigkeit |
| Wirth, Michael |
30 |
| Wirth, Michael 1788-1832 |
14 |
| Wirth, Michael 1957-2019 |
6 |
| Wirth, Michael Joseph |
5 |
| Arnold, Michael 1969- |
4 |
| Schenk, Michael 1953- |
4 |
| Wirth, Gerhard 1944- |
4 |
| Wirth, Michael 1612-1655 |
4 |
| Jäger, Michael 1935-1984 |
3 |
| Lampson, Elmar 1952- |
3 |
| Morshäuser, Ralf 1972- |
3 |
| Müller, Egon 1952- |
3 |
| Ruzhansky, Michael |
3 |
| Wirth, Carl-Joachim 1940- |
3 |
| Wirth, Jens |
3 |
| Wirth, Michael O. |
3 |
| Wirth, Polycarp 1609-1654 |
3 |
| Wirth, Siegfried 1936- |
3 |
| Bauer-Wirth, Ulrike 1957- |
2 |
| Carl, Steffen 1968- |
2 |