| Verfasser | Häufigkeit |
| Witkowski, Georg 1863-1939 |
113 |
| Witkowski, Igor 1963- |
44 |
| Witkowski, Jacek |
38 |
| Witkowski, Stanisław 1866-1950 |
33 |
| Witkowski, Nicolas 1949-2020 |
27 |
| Witkowski, Regine |
23 |
| Witkowski, Michał 1975- |
22 |
| Kaczmarek, Romuald 1959- |
20 |
| Witkowski, Claude |
19 |
| Witkowski, Georg |
19 |
| Witkowski, Regine 1934- |
19 |
| Ortoli, Sven 1953- |
17 |
| Prokop, Otto 1921-2009 |
17 |
| Goethe, Johann Wolfgang von 1749-1832 |
15 |
| Witkowski, Rafał 1967- |
15 |
| Lessing, Gotthold Ephraim 1729-1781 |
13 |
| Witkowski, Andrzej |
12 |
| Witkowski, Andrzej 1955- |
12 |
| Witkowski, Mareike 1977- |
12 |
| Witkowski, Piotr 1970- |
11 |