| Author | Titles | | 1.
| Rüegg, Arthur, 1942- | 3 | | 2.
| Rüegg, Gertrud Droz | 1 | | 3.
| Ruegg, IIlona | 1 | | 4.
| Ruehlman, Robert | 1 | | 5.
| Ruela, Paula, 1954- | 0 | | 6.
| Author is: Ruella, Paula, 1954- | 12 | | 7.
| Ruella, Ana Paula de Sousa Teixeira, 1954- | 0 | | 8.
| Author is: Ruella, Paula, 1954- | 12 | | 9.
| Ruella, Paula, 1954- | 12 | | 10.
| Ruesch, A., 1882-1929 | 1 | | 11.
| Ruesch, Arnold, 1882-1929 | 0 | | 12.
| Author is: Ruesch, A., 1882-1929 | 1 | | 13.
| Ruetz, Michael, 1940- | 2 |
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