| Autor | Częstotliwość |
| Bethell, Nicholas |
18 |
| Bethell, Nicholas William 1938-2007 |
14 |
| Raabe, Gerhard Übers |
3 |
| Trevor-Roper, Hugh R. |
2 |
| Gaethe, Hubert 36798 |
1 |
| Kochmann, Klaus 1943-2007 |
1 |
| Polanska-Palmer, Zoe |
1 |
| Solzhenitsyn, Aleksandr Isaevich |
1 |
| Wilck, Otto 36798 |
1 |
