| Verfasser | Häufigkeit |
|---|---|
| Anderson, Eike 1976- | 1 |
| Duvel, Joseph William Tell | 1 |
| Düvel, Caroline | 1 |
| Düvel, Dietrich | 1 |
| Düvel, Helmut | 1 |
| Düvel, Oliver 1974- | 1 |
| Fischer-Appelt, | 1 |
| Fründ, Albrecht | 1 |
| Hepp, Andreas 1970- | 1 |
| Kolbeck, Gottfried | 1 |
| Selby, Augustine D. | 1 |
| Zerbst, Stefan 1976- | 1 |