| Autor | Títulos | | 1.
| Ortner, Laurids, 1941- | 1 | | 2.
| Ortner, Manfred, 1943- | 1 | | 3.
| Ortner, Rudolf | 1 | | 4.
| Orton, Fred, 1949- | 3 | | 5.
| Orton, Ian | 1 | | 6.
| Orts, Carles Cortés, 1968- | 0 | | 7.
| Ver: Cortés, Carles, 1968- | 7 | | 8.
| Orts, Carles Cortés i, 1968- | 0 | | 9.
| Ver: Cortés, Carles, 1968- | 7 | | 10.
| Ortsman, Oscar, 1935- | 1 | | 11.
| Ortugão, Antonio de Macedo Ramalho | 1 | | 12.
| Ortuño, Gabriel, 1961- | 1 |
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