| Verfasser | Häufigkeit |
|---|---|
| Bernard, Stephan 1975- | 1 |
| Brägger, Benjamin F. 1967- | 1 |
| Gramigna, Roland | 1 |
| Habermeyer, Elmar 1967- | 1 |
| Hachtel, Henning 1975- | 1 |
| Heer, Marianne | 1 |
| Pruin, Ineke | 1 |
| Stuber, Manfred | 1 |
| Voß, Tatjana 1965- | 1 |
| Weber, Jonas 1969- | 1 |
| Zangger, Tanja | 1 |