| Author | Titles | | 1.
| Oom, Rosa | 1 | | 2.
| Oorebeek, Willem, 1953- | 2 | | 3.
| Oort, Jan van, activ. 1645-1699 | 1 | | 4.
| Oorthuys, Cas, 1908-1975 | 1 | | 5.
| Oosterbaan, Warna | 1 | | 6.
| Oosterbeek, Luis Miguel | 1 | | 7.
| Oosterbeek, Luiz | 1 | | 8.
| Oosterhoff, Wiebe | 1 | | 9.
| Oosterhuis, Kas, ca 1951- | 1 | | 10.
| Oosterman, Arjen | 2 |
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