| Verfasser | Häufigkeit |
| Gide, André 1869-1951 |
26 |
| Schaefer-Rümelin, Maria |
26 |
| Schaefer, Albrecht G. 1949- |
11 |
| Kehr, Martin |
10 |
| Reger, Karl-Heinz |
10 |
| Schaefer, Roberto ca. 20. Jh |
10 |
| Schaefer, Agnes Gereben |
8 |
| Glaser, Robert |
7 |
| Forster, Marc 1969- |
4 |
| Holzman, Albert G. |
4 |
| McGregor, Ewan 1971- |
4 |
| Schaefer, Halmuth H. |
4 |
| Schaefer, Halmuth H. 1928- |
4 |
| Taber, Julian I. |
4 |
| Borek, Johanna |
3 |
| Müller, Ralf |
3 |
| Royé, Gerhard |
3 |
| Schaefer, Gerhard 1928- |
3 |
| Schaefer, Gert Karl 1920-1996 |
3 |
| Schaefer, Reinhard |
3 |