| Author | Titles | | 1.
| Roca, José | 7 | | 2.
| Roca, José Ignacio | 2 | | 3.
| Roca, Miguel Angel, 1940- | 8 | | 4.
| Rocamora, Agnès | 1 | | 5.
| Rocamora, Manuel | 1 | | 6.
| Rocamora, Marie | 1 | | 7.
| Rocamora, Pedro | 13 | | 8.
| Rocart, Eugene | 1 | | 9.
| Rocatallada y Escartin, Tomasa | 1 | | 10.
| Rocca, Alessandro | 5 |
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