| Author | Titles | | 1.
| Riso, Vincenzo, 1964- | 4 | | 2.
| Risonho, João | 2 | | 3.
| Ri-Sonso, Jacob, pseud. | 1 | | 4.
| Risota, Victor | 1 | | 5.
| Rispa, Aleydis, 19--?- | 1 | | 6.
| Rispal, Adeline | 1 | | 7.
| Ris-Paquot, 1835-19-? | 0 | | 8.
| Author is: Ris-Paquot, Oscar-Edmond, 1835-19-? | 2 | | 9.
| Ris-Paquot, Oscar-Edmond, 1835-19-? | 2 | | 10.
| Rispoli, Federico | 1 | | 11.
| Rispoli, Sergio | 2 |
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