| Author | Titles | | 1.
| Martinez, Raul | 2 | | 2.
| Martinez, Raúl | 1 | | 3.
| Martinez, Roberto, 1956- | 1 | | 4.
| Martínez, Rocío | 1 | | 5.
| Martinez, Romeo, 1912- | 1 | | 6.
| Martinez Ros, Luis | 1 | | 7.
| Martínez, Rosa, 1955- | 13 | | 8.
| Martinez, Rosa ; Corral, Maria de | 1 | | 9.
| Martinez, Rose-Marie | 1 | | 10.
| Martínez, Roser | 1 |
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