| Verfasser | Häufigkeit |
| Rochester, John Wilmot of 1647-1680 |
81 |
| O'Malley, John W. 1927-2022 |
59 |
| Richter, Julius Wilhelm Otto 1839-1924 |
43 |
| Oller, John W. |
20 |
| O'Malley, John W. |
19 |
| Oestmann, Jörg-Wilhelm 1956- |
17 |
| Orton, John W. 1932- |
15 |
| Osselton, John W. |
15 |
| Osbon, John W. |
14 |
| Owsiński, Jan W. |
13 |
| Richter, Jul. Wilh. Otto |
12 |
| Cooper, Ray |
9 |
| O'Hagan, John W. |
9 |
| Oliver, John W. |
8 |
| Olmsted, Jennifer W. |
8 |
| Dillon, Wentworth 1633-1685 |
7 |
| Dorset, Charles Sackville of 1638-1706 |
7 |
| Kacprzyk, Janusz |
7 |
| Shaw, John C. |
7 |
| Witte-Orr, Johanna 1961- |
7 |