| Author | Titles | | 1.
| Rufino, Mercedes Gallis | 1 | | 2.
| Rufino, Pedro, 19--?- | 4 | | 3.
| Rufo, Marcel, 1945- | 1 | | 4.
| Rugarli, Giampaolo | 1 | | 5.
| Ruge, Ane Mette | 1 | | 6.
| Ruge, Arnold | 1 | | 7.
| Rugendas, Johann Moritz, 1802-1858 | 2 | | 8.
| Rugener, Christiane | 1 | | 9.
| Rüger, Axel | 1 | | 10.
| Rüggeberg, Eduard Subirats | 1 |
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