| Author | Titles | | 1.
| Riva, Franco | 1 | | 2.
| Riva, Paulette Germaine, 1927-2017 | 0 | | 3.
| Author is: Riva, Emmanuelle, (nome de artista) | 1 | | 4.
| Riva, Renzo | 1 | | 5.
| Rivadeneira, Alejandro | 1 | | 6.
| Rivadeneira, Pedro de, Padre, 1527-1611 | 1 | | 7.
| Rivain, Jean | 1 | | 8.
| Rival, André | 1 | | 9.
| Rivara, Joaquim Heliodoro da Cunha, 1809-1879 | 9 | | 10.
| Rivard, Nancy J. | 1 | | 11.
| Rivarol, A., 1753-1801 | 1 |
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