| Author | Titles | | 1.
| Ruppersberg, Allen, 1944- | 9 | | 2.
| Ruppersberg, Allen Rawson, 1944- | 0 | | 3.
| Author is: Ruppersberg, Allen, 1944- | 9 | | 4.
| Ruppert, Jacques | 3 | | 5.
| Ruppin, Arthur | 1 | | 6.
| Rupprath, Cynthia von Bogendorf | 1 | | 7.
| Rupprecht, Beate | 1 | | 8.
| Rupprich, Hans | 1 | | 9.
| Ruprecht, Hans-George | 1 | | 10.
| Rus, Zmago | 1 | | 11.
| Rusakov, Yury | 1 |
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