| Author | Titles | | 1.
| Rieker, Martina | 1 | | 2.
| Riel, Paul van | 1 | | 3.
| Riello, José | 2 | | 4.
| Riem, Johannes | 1 | | 5.
| Riemann, Gottfried | 1 | | 6.
| Riemann, Hugo, 1849-1919 | 1 | | 7.
| Riemann, Othon, 1853-1891 | 3 | | 8.
| Riemann, Robert | 3 | | 9.
| Riemann, Xenia | 1 | | 10.
| Riemann-Reyher, Marie Ursula | 1 |
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