| Verfasser | Häufigkeit |
| Jansen, Peter-Erwin 1957- |
32 |
| Marcuse, Herbert 1898-1979 |
25 |
| Jansen, Peter-Erwin |
9 |
| Berg, Hans |
2 |
| Etzioni, Amitai |
2 |
| Honneth, Axel 1949- |
2 |
| Jansen, Paul 1904- |
2 |
| Kunz, Doris |
2 |
| Volke, Joachim |
2 |
| Bundschuh, Stephan 1962- |
1 |
| Doppler, Lisa 1986- |
1 |
| Engel, Inka 1986- |
1 |
| Haupt, Michael 1750-1799 |
1 |
| Hines, Taylor |
1 |
| Jansen, Erwin |
1 |
| Jansen, Lars Erwin Theodoor |
1 |
| Kirsch, Robert E. |
1 |
| Kraus, Erwin |
1 |
| Kraus, Erwin 1901- |
1 |
| Lahr, John 1941- |
1 |