| Author | Titles | | 1.
| Ragusa, Andrea | 1 | | 2.
| Ragusa, Giovanni | 1 | | 3.
| Rahaa, Sepideh, 1981- | 1 | | 4.
| Rahier, Schlesinger | 1 | | 5.
| Rahim, Shakil Yussuf | 1 | | 6.
| Rahir, Édouard, 1862-1924 | 1 | | 7.
| Rahlves, Friedrich | 1 | | 8.
| Rahm, Diana de, 1971- | 1 | | 9.
| Rahm, Philippe | 1 | | 10.
| Rahm, Philippe, 1967- | 3 |
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