| Author | Titles | | 1.
| Ortega Muñoz, Godofredo, 1905-1982 | 1 | | 2.
| Ortega Ortiz, Jaime | 1 | | 3.
| Ortega Regalado, Felipe, 1972- | 1 | | 4.
| Ortega, Tino | 2 | | 5.
| Ortega, Víctor | 1 | | 6.
| Ortega y Gasset, José, 1883-1955 | 27 | | 7.
| Ortega y Medina, Juan A. | 1 | | 8.
| Ortega-Morejón, José María de | 1 | | 9.
| Ortego, T. | 1 | | 10.
| Ortel, Philippe | 2 |
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