| Author | Titles | | 1.
| Ràfols-Casamada, Albert, 1923-2009 | 4 | | 2.
| Raft, Adam | 1 | | 3.
| Raftery, Barry | 1 | | 4.
| Raftery, Paul | 1 | | 5.
| Ragaglia, Letizia, 1969- | 5 | | 6.
| Ragai, Doria | 1 | | 7.
| Ragazzi, Graça Correia | 1 | | 8.
| Ragazzi, Roberto | 3 | | 9.
| Rageot, Gaston, 1872-1940 | 2 | | 10.
| Rager, Catherine, 1929- | 1 |
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