| Author | Titles | 1.
| Ruplinger, Jean | 1 | 2.
| Rupnik, Ivan | 2 | 3.
| Rupníková, Micheline | 1 | 4.
| Rupp, Rupert | 1 | 5.
| Rupp, Stephanie | 1 | 6.
| Ruppersberg, Allen, 1944- | 9 | 7.
| Ruppersberg, Allen Rawson, 1944- | 0 | 8.
| Author is: Ruppersberg, Allen, 1944- | 9 | 9.
| Ruppert, Jacques | 3 | 10.
| Ruppin, Arthur | 1 | 11.
| Rupprath, Cynthia von Bogendorf | 1 |
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