| Verfasser | Häufigkeit |
|---|---|
| Trzaska, Hubert | 6 |
| Bienkowski, Pawel | 4 |
| Trzaska, Władyslaw Henryk | 2 |
| Chester-Kadwell, Mary | 1 |
| Grudziński, Eugeniusz | 1 |
| Hakenbeck, Susanne | 1 |
| Hall, Andrew | 1 |
| Healy, Frances | 1 |
| Hills, Catherine | 1 |
| Lucy, Sam | 1 |
| Penn, Kenneth | 1 |
| Riddler, Ian | 1 |
| Trzaska, Władysław H. | 1 |
| Trzaska-Nartowski, Nicola | 1 |