| Verfasser | Häufigkeit |
| Focke, Petra 1963- |
11 |
| Focke, Harald 1950- |
7 |
| Pfister, Alexandra 1962- |
7 |
| Focke-Pellkofer, Katja 1985- |
6 |
| Focke, Axel |
4 |
| Focke, Gerd |
4 |
| Focke, Martin 1949- |
4 |
| Lücker, Hermann Josef 1962- |
4 |
| Mehlich, Harald |
4 |
| Petrahn, Günter |
4 |
| Pfannstiel, Mario A. |
4 |
| Focke, Ingo |
3 |
| Focke, Richard |
3 |
| Haydn, Joseph 1732-1809 |
3 |
| Focke, Hendrik Charles 1802-1856 |
2 |
| Metastasio, Pietro 1698-1782 |
2 |
| Nieuwland, Pieter 1764-1794 |
2 |
| Pioch, Eckehard |
2 |
| Priemuth, Roswitha |
2 |
| Schulze, Sylvia |
2 |