| Verfasser | Häufigkeit |
| Ruoff, Axel 1957- |
76 |
| Ruoff, Hans 1893-1986 |
33 |
| Ruoff, Ulrich 1940- |
25 |
| Gorʹkij, Maksim 1868-1936 |
22 |
| Ruoff, Anton |
22 |
| Ruoff, Arno 1930-2010 |
22 |
| Ruoff, Eeva |
19 |
| Ruoff, Peter |
17 |
| Ruoff, Hans |
14 |
| Ruoff, Wilhelm Heinrich |
13 |
| Ruoff, Vera |
11 |
| Ėrenburg, Ilʹja 1891-1967 |
10 |
| Ruoff, Michael 1955- |
9 |
| Ruoff, Jeffrey K. ca. 20./21. Jh |
8 |
| Gabriel, Eugen 1937- |
7 |
| Ruoff, Fritz |
6 |
| Ruoff, Stephanie |
6 |
| Ruoff, Theodore B. |
6 |
| Bausinger, Hermann 1926-2021 |
5 |
| Cotta, Johann Friedrich 1701-1779 |
5 |