| Author | Titles | | 1.
| Rodocanachi, Emmanuel, 1859-1934 | 1 | | 2.
| Rodolfo, Ana, 1977- | 1 | | 3.
| Rodolfo, João de Sousa, 1961- | 1 | | 4.
| Rodon, Francesc | 1 | | 5.
| Rodón, Francisco de A. | 1 | | 6.
| Rodon y Font, C. | 1 | | 7.
| Rodrigáñez, Alberto | 1 | | 8.
| Rodrigo, César | 1 | | 9.
| Rodrigo, F. G., 1937- | 2 | | 10.
| Rodrigo, Joaquim, 1912-1997 | 57 |
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