| Author | Titles | | 1.
| Riuvo, Mário | 1 | | 2.
| Riva, Alessandro | 3 | | 3.
| Riva del Garda. Museo Civico | 3 | | 4.
| Riva, Emmanuèle, 1927-2017 | 0 | | 5.
| Author is: Riva, Emmanuelle, (nome de artista) | 1 | | 6.
| Riva, Emmanuelle, 1927-2017 | 0 | | 7.
| Author is: Riva, Emmanuelle, (nome de artista) | 1 | | 8.
| Riva, Emmanuelle, (nome de artista) | 1 | | 9.
| Riva, Franco | 1 | | 10.
| Riva, Paulette Germaine, 1927-2017 | 0 | | 11.
| Author is: Riva, Emmanuelle, (nome de artista) | 1 | | 12.
| Riva, Renzo | 1 | | 13.
| Rivadeneira, Alejandro | 1 |
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