| Author | Titles | 1.
| Ochs, Siegfried, 1858-1929 | 1 | 2.
| Ochsé, Madeleine | 2 | 3.
| Ochsenbein, H. | 1 | 4.
| Ochsner, Alton, 1896-1981 | 1 | 5.
| Ochsner, Jeffrey Karl | 1 | 6.
| Ocidente. Revista Portuguesa Mensal Ilustrada (Lisboa) | 1 | 7.
| Ocidente. Revista Portuguesa Mensal Ilustrada (Lisboa) | 2 | 8.
| Ockenholt, Marianne Torp | 1 | 9.
| Ockerse, Tom | 1 | 10.
| Ockham, Guillemus de, ca 1285-ca 1350 | 1 |
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