| Author | Titles | | 1.
| Rutz, Nicolas | 1 | | 2.
| Ruurs, Rob | 1 | | 3.
| Ruus Steffen | 1 | | 4.
| Ruuskanen, Deborah | 1 | | 5.
| Ruusuvuori, Aarno | 1 | | 6.
| Ruwedel, Mark, 1954- | 1 | | 7.
| Ruwet, Nicolas | 1 | | 8.
| Ruwière, Jeanne de la | 1 | | 9.
| Ruy, 1907-1935 | 0 | | 10.
| Author is: Gameiro, Rui Roque, 1907-1935 | 13 | | 11.
| Ruy, 1949-1976 | 0 | | 12.
| Author is: Leitão, Ruy, 1949-1976 | 9 |
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