| Autor | Títulos | | 1.
| Ortiz-Echangüe, Javier | 1 | | 2.
| Ortiz-Patxi Solà, Jordi | 7 | | 3.
| Ortiz-Torres, Rubén D., 1964- | 1 | | 4.
| Ortner, Laurids, 1941- | 1 | | 5.
| Ortner, Manfred, 1943- | 1 | | 6.
| Ortner, Rudolf | 1 | | 7.
| Orton, Fred, 1949- | 3 | | 8.
| Orton, Ian | 1 | | 9.
| Orts, Carles Cortés, 1968- | 0 | | 10.
| Ver: Cortés, Carles, 1968- | 7 | | 11.
| Orts, Carles Cortés i, 1968- | 0 | | 12.
| Ver: Cortés, Carles, 1968- | 7 |
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