| Author | Titles | | 1.
| Rorty, Richard, 1931-2007 | 5 | | 2.
| Ros de Barbero, Almudena | 2 | | 3.
| Ros, Lies | 1 | | 4.
| Ros, Nieves Berenguer | 2 | | 5.
| Ros Salvà, Cristina | 1 | | 6.
| Ros Schwartz Translations (Londres, Grã.-Bretanha) | 1 | | 7.
| Ros Vallverdú, Jaume, 1954- | 1 | | 8.
| Rosa, A. C. | 1 | | 9.
| Rosa, A. Ramos, 1924-2013 | 0 | | 10.
| Author is: Rosa, António Ramos, 1924-2013 | 85 | | 11.
| Rosa, Acácio | 2 |
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