| Autor | Títulos | | 1.
| Oberhuber, Konrad | 5 | | 2.
| Oberle, Jean | 1 | | 3.
| Oberlin, E. Steinilber | 1 | | 4.
| Oberlin, Steinilber | 1 | | 5.
| Oberli-Turner, Maureen | 1 | | 6.
| Oberly, Michelle | 1 | | 7.
| Obermaier, Hugo, 1877-1946 | 2 | | 8.
| Obermann, Bruno | 1 | | 9.
| Obermeier, James | 1 | | 10.
| Oberorfer, Aldo | 1 |
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