| Author | Popularity |
| Poppinga, Onno |
7 |
| Barth, Hans Martin |
6 |
| Roth, Hiltraut |
6 |
| Poppinga, Onno 1943- |
5 |
| Barth, Hans Martin 1934- |
3 |
| Barth, Hans Martin 1934- VerfasserIn |
3 |
| Roth, Hiltraud 1949- |
3 |
| Roth, Hiltraut VerfasserIn |
2 |
| Barth, Hans Martin Verfasser |
1 |
| Barth, Hans Martin, 1934- 1934- |
1 |
| Roth, Hildtraud |
1 |
| Roth, Hiltraud |
1 |
| Roth, Hiltraud 1949- Verfasser |
1 |
| Roth, Hiltraud 1949- VerfasserIn |
1 |
