| Author | Titles | 1.
| Obergethmann, Hans | 1 | 2.
| Oberhammer, Vinzenz | 5 | 3.
| Oberhardt, Suzanne | 1 | 4.
| Oberhuber, Konrad | 5 | 5.
| Oberle, Jean | 1 | 6.
| Oberlin, E. Steinilber | 1 | 7.
| Oberlin, Steinilber | 1 | 8.
| Oberli-Turner, Maureen | 1 | 9.
| Oberly, Michelle | 1 | 10.
| Obermaier, Hugo, 1877-1946 | 2 |
|
|