| Author | Titles | 1.
| Riambu, Núria | 1 | 2.
| Rian, Jeff, 1948- | 5 | 3.
| Rian, Jeffrey, 1948- | 0 | 4.
| Author is: Rian, Jeff, 1948- | 5 | 5.
| Rian, Rian | 1 | 6.
| Riancho, F. | 4 | 7.
| Riancho, Fernando | 1 | 8.
| Riancho, José Manuel | 1 | 9.
| Riand, Jeff | 1 | 10.
| Riani, Paolo, 1937- | 1 | 11.
| Riaño, José María | 1 |
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