| Author | Titles | 1.
| Olivieri, Licia | 1 | 2.
| Ollanda, António d' 1480?-1556 | 0 | 3.
| Author is: António de Holanda, 1480?-1556 | 8 | 4.
| Ollé, Manel | 1 | 5.
| Ollé-Laprune, Léon | 2 | 6.
| Ollén, Lillian | 1 | 7.
| Ollendorff, Henry Godefroy | 1 | 8.
| Ollenhauer, Erich | 2 | 9.
| Ollero, Rodrigo | 1 | 10.
| Ollier, Brigitte | 2 | 11.
| Ollier, Christine | 1 |
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