| Autor | Częstotliwość |
|---|---|
| Wistrich, Robert S. | 122 |
| Ṿisṭrits, Roberṭ 1945-2015 | 98 |
| Sigel, Robert | 96 |
| Gellately, Robert | 94 |
| Steegmann, Robert | 83 |
| Weltsch, Robert | 81 |
| Ley, Robert | 65 |
| Sommer, Robert | 61 |
| Kempner, Robert M.W | 59 |
| Kuwalek, Robert | 59 |
| Kempner, Robert M. W. | 56 |
| Jütte, Robert | 52 |
| Traba, Robert | 52 |
| Neumann, Robert | 50 |
| Marrus, Michael Robert | 46 |
| Bohn, Robert | 44 |
| Kempner, Robert M. W. 1899-1993 | 44 |
| Streibel, Robert | 44 |
| Abzug, Robert H. | 43 |
| Mohl, Robert von, 1799-1875 1799-1875 Mitwirkender | 43 |
