| Autor | Częstotliwość |
|---|---|
| Lübbert, Konrad | 2 |
| Bredthauer, Karl D. | 1 |
| Kade, Gerhard | 1 |
| Löwen, Peter | 1 |
| Mannhardt, Klaus | 1 |
| Matthiessen, Gunnar | 1 |
| Niemöller, Martin | 1 |
| Romberg, Eleonore | 1 |
| Rossaint, Joseph C. | 1 |
| Trapp, Horst | 1 |
| Wirtz, Hermann | 1 |
| Autor | Częstotliwość |
|---|---|
| Lübbert, Konrad | 2 |
| Bredthauer, Karl D. | 1 |
| Kade, Gerhard | 1 |
| Löwen, Peter | 1 |
| Mannhardt, Klaus | 1 |
| Matthiessen, Gunnar | 1 |
| Niemöller, Martin | 1 |
| Romberg, Eleonore | 1 |
| Rossaint, Joseph C. | 1 |
| Trapp, Horst | 1 |
| Wirtz, Hermann | 1 |