| Author | Titles | | 1.
| Rivara, Joaquim Heliodoro da Cunha, 1809-1879 | 9 | | 2.
| Rivard, Nancy J. | 1 | | 3.
| Rivarol, A., 1753-1801 | 1 | | 4.
| Rivarola, Diego | 1 | | 5.
| Rivas Fernandez, Juan Carlos | 1 | | 6.
| Rivas, Francisco | 2 | | 7.
| Rivas, Humberto, 1937-2009 | 7 | | 8.
| Rivas, José Pablo | 1 | | 9.
| Rivas, Manuel | 2 | | 10.
| Rivas, Pierre | 4 |
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