| Author | Popularity |
| Buchen, Helmut |
4 |
| Purpus, Elke |
2 |
| Buchen, Helmut 33902 |
1 |
| Geis, Walter |
1 |
| Hesse, Hans |
1 |
| Hesse, Hans 1961- |
1 |
| Meier, Wolfgang F. |
1 |
| Meier, Wolfgang F. 33902 |
1 |
| Mennicken, Marion |
1 |
| Mennicken, Marion 33902 |
1 |
| Purpus, Elke 1961- |
1 |
| Purpus, Elke 1961- VerfasserIn |
1 |
| Purpus, Elke Sellen, Günther B. |
1 |
| Sellen, Günther B. |
1 |
| Sellen, Günther B. VerfasserIn |
1 |
