| Author | Titles | | 1.
| RAAAF | 1 | | 2.
| Raabe, Andreas Reiter | 1 | | 3.
| Raabe, Wilhelm, 1831-1910 | 17 | | 4.
| Raad, Walid, 1967- | 8 | | 5.
| Raafey, Nasiri, 1940-2013 | 0 | | 6.
| Author is: Nasiri, Rafa, 1940-2013 | 6 | | 7.
| Rabaça, Ana | 1 | | 8.
| Rabaça, Ana Maria | 2 | | 9.
| Rabaça, Armando | 4 | | 10.
| Rabaça, João Eduardo | 1 | | 11.
| Rabaçal, Alfredo João | 1 |
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