| Author | Titles | | 1.
| Röhl, Bettina, 1962- | 1 | | 2.
| Röhl, Hans | 3 | | 3.
| Röhl, Jan | 2 | | 4.
| Röhl, Karl Peter, 1890-1975 | 1 | | 5.
| Rohlf, F. James | 1 | | 6.
| Rohlfs, Gerhard | 1 | | 7.
| Rohlmann, Michael | 1 | | 8.
| Rohmann, Chris | 1 | | 9.
| Rohmer, E. , 1920-2010 | 0 | | 10.
| Author is: Rohmer, Eric, 1920-2010 | 3 | | 11.
| Rohmer, Elisabeth | 2 |
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