| Author | Titles | | 1.
| Öktem, Estra Sarigedik | 1 | | 2.
| Okuda, Seiichi | 1 | | 3.
| Okuma, Jacqueline | 1 | | 4.
| Okumura, Yuki | 1 | | 5.
| Okusai, Katsushika, 1760-1849 | 0 | | 6.
| Author is: Katsushika Hokusai, 1760-1849 | 2 | | 7.
| Okuyama, Mayumi | 2 | | 8.
| Olabarri, Galder Reguera, 1975- | 0 | | 9.
| Author is: Reguera, Galder, 1975- | 14 | | 10.
| Olabuénaga, José Ignacio Ruiz, 1929-2014 | 0 | | 11.
| Author is: Ruiz Olabuénaga, José Ignacio, 1929-2014 | 1 | | 12.
| Olaf, Erwin, 1959-2023 | 1 | | 13.
| Ólafsdóttir, Ádis | 1 |
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