| Author | Titles | | 1.
| Ripplinger, Stefan | 1 | | 2.
| Riquer i Morera, Martí de, 1914-2013 | 0 | | 3.
| Author is: Riquer, Martín de, 1914-2013 | 3 | | 4.
| Riquer, M. de, 1914-2013 | 0 | | 5.
| Author is: Riquer, Martín de, 1914-2013 | 3 | | 6.
| Riquer, Martí de, 1914-2013 | 0 | | 7.
| Author is: Riquer, Martín de, 1914-2013 | 3 | | 8.
| Riquer, Martín de, 1914-2013 | 3 | | 9.
| Riquer Morera, Martín de, 1914-2013 | 0 | | 10.
| Author is: Riquer, Martín de, 1914-2013 | 3 | | 11.
| Riquer y Morera, Martín de, Conde de Casa Dávalos, 1914-2013 | 0 | | 12.
| Author is: Riquer, Martín de, 1914-2013 | 3 | | 13.
| Rirkrit Tiravanija, 1961- | 0 | | 14.
| Author is: Tiravanija, Rirkrit, 1961- | 6 | | 15.
| Risaliti, Sergio | 11 | | 16.
| Risatti, Howard, 1943- | 2 |
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