| Verfasser | Häufigkeit |
| Casper, Markus 1967- |
4 |
| Casper, Ute |
4 |
| Balmer, Markus |
2 |
| Bevers, Jürgen 1946- |
2 |
| Furrer, René |
2 |
| Gerlach, Markus |
2 |
| Inhelder, Ernst |
2 |
| Koch, Oliver |
2 |
| Polt, Gerhard |
2 |
| Bormann, Helge 1967- |
1 |
| Bronstert, Axel 1959- |
1 |
| Fohrer, Nicola 1962- |
1 |
| Miegel, Konrad 1959- |
1 |
| Schumann, Andreas H. 1953- |
1 |
| Stahl, Natalie |
1 |
| Weiler, Markus 1971- |
1 |