| Author | Titles | | 1.
| Ruíz, Roberto | 3 | | 2.
| Ruiz Ruiz, Luis | 1 | | 3.
| Ruiz Ruiz, Luiz | 4 | | 4.
| Ruiz Serrano, Catalina | 1 | | 5.
| Ruiz, Stefan | 1 | | 6.
| Ruiz Valencia, Ana | 1 | | 7.
| Ruiz y Picasso, Pablo, 1881-1973 | 0 | | 8.
| Author is: Picasso, Pablo, 1881-1973 | 160 | | 9.
| Ruiz y Picasso, Pablo Diego José Francisco de Paula Juan Nepomuceno María de los Remedios Cipriano de la Santísima Trinidad, 1881-1973 | 0 | | 10.
| Author is: Picasso, Pablo, 1881-1973 | 160 | | 11.
| Ruiz y Ruiz, Lina Antonia | 1 | | 12.
| Ruiz-Geli, Enric, 1968- | 2 |
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