| Author | Titles | | 1.
| Riall, Nicholas | 1 | | 2.
| Rialto, João, pseud. | 4 | | 3.
| Rialto6 (Lisboa, Portugal) | 1 | | 4.
| Riambau e Sauri, Esteve | 5 | | 5.
| Riambau, Esteban | 1 | | 6.
| Riambu, Núria | 1 | | 7.
| Rian, Jeff, 1948- | 5 | | 8.
| Rian, Jeffrey, 1948- | 0 | | 9.
| Author is: Rian, Jeff, 1948- | 5 | | 10.
| Rian, Rian | 1 | | 11.
| Riancho, F. | 4 |
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