| Author | Titles | | 1.
| Ortiz de Lanzagorta, José Antonio Sosa, 19-- | 1 | | 2.
| Ortiz de Urbina, Ricardo Sanchez | 1 | | 3.
| Ortiz, Diego | 1 | | 4.
| Ortiz, Elisabeth Lambert | 1 | | 5.
| Ortiz Garcia, Antonio | 1 | | 6.
| Ortiz, Jordi | 7 | | 7.
| Ortiz, Lorenzo | 1 | | 8.
| Ortiz Macedo, Luiz | 1 | | 9.
| Ortiz, Manuel | 4 | | 10.
| Ortiz Monasterio, Pablo, 1952- | 4 |
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