| Author | Titles | 1.
| Robinson, William H. | 2 | 2.
| Robinson, William W. | 4 | 3.
| Robinson-Valéry, Judith | 1 | 4.
| Robiquet, Jacques | 1 | 5.
| Robison, Andrew | 6 | 6.
| Robison, Macushia | 1 | 7.
| Robison, Michael | 1 | 8.
| Robleño, Paula | 3 | 9.
| Robles, Cecílio Sanchez | 2 | 10.
| Roblès, Emmanuel | 1 |
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