| Verfasser | Häufigkeit |
| Köller, Olaf 1963- |
5 |
| Köller, Olaf |
3 |
| Steffensky, Mirjam 1970- |
3 |
| Winther, Esther |
3 |
| Klieme, Eckhard 1954- |
2 |
| Magenheim, Johannes 1949- |
2 |
| Molitor, Heike 1968- |
2 |
| Pfenning, Uwe |
2 |
| Ramseger, Jörg 1950- |
2 |
| Reiss, Kristina 1952- |
2 |
| Steffensky, Mirjam |
2 |
| Weis, Mirjam 1986- |
2 |
| Wiesmüller, Christian |
2 |
| Wollring, Bernd 1949- |
2 |
| Kasper, Daniel |
1 |
| Kasper, Daniel 1976- |
1 |
| Klieme, Eckhard |
1 |
| Magenheim, Johannes |
1 |
| McElvany, Nele |
1 |
| McElvany, Nele 1977- |
1 |