| Author | Titles | 1.
| Ruiz, José G. | 1 | 2.
| Ruiz, José Ignacio, 1929-2014 | 0 | 3.
| Author is: Ruiz Olabuénaga, José Ignacio, 1929-2014 | 1 | 4.
| Ruiz, Juan | 1 | 5.
| Ruiz, Juan Francisco | 1 | 6.
| Ruiz Maldonado, Margarita | 2 | 7.
| Ruiz Manent, Jaime | 1 | 8.
| Ruiz Mantilla, Guillermo | 1 | 9.
| Ruiz Mantilla, Jesús | 1 | 10.
| Ruiz Mateos, Gerardo | 1 | 11.
| Ruiz, Mimoso | 1 |
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