| Verfasser | Häufigkeit |
| Barthel, Thomas |
21 |
| Barthel, Thomas S. 1923-1997 |
16 |
| Barthel, Thomas 1973- |
11 |
| Barthel, Christina |
5 |
| Barthel, Holger 1959- |
3 |
| Rissa 1938- |
3 |
| Barthel, Gottfried |
2 |
| Barthel, Thomas S. |
2 |
| Fritzsche, Uwe |
2 |
| Goldbach, Arnim |
2 |
| Grommas, Dieter 1952- |
2 |
| Hirzebruch, Friedrich 1927-2012 |
2 |
| Höfer, Thomas |
2 |
| Krassnitzer, Harald 1960- |
2 |
| Payer, Peter 1964- |
2 |
| Pejo, Robert-Adrian 1964- |
2 |
| Roth, Thomas 1965- |
2 |
| Schwarz, Peter |
2 |
| Bannert, Walter 1942-2020 |
1 |
| Barthel, Andreas |
1 |