| Author | Titles | | 1.
| Ottenjan, Rudolf | 1 | | 2.
| Otternbach, Jaremie, 1960- | 6 | | 3.
| Otterness, Tom, 1952- | 1 | | 4.
| Ottero, Estrella de Diego, 1958- | 0 | | 5.
| Author is: Diego Ottero, Estrella de, 1958- | 13 | | 6.
| Ottersbach, Heribert C., 1960- | 1 | | 7.
| Ottesen, M. | 1 | | 8.
| Ottin, L. | 1 | | 9.
| Ottinger, Bee | 1 | | 10.
| Ottinger, Dichier | 1 | | 11.
| Ottinger, Didier | 15 |
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