| Autor | Títulos | 1.
| Ronan, Helen | 1 | 2.
| Ronan Le Grand | 1 | 3.
| Ronberg Lene | 1 | 4.
| Ronberg, Lene Bogh | 1 | 5.
| Roncai, Luciano | 1 | 6.
| Roncali, Leoni | 1 | 7.
| Roncari, Armida | 1 | 8.
| Roncero, Rafael Doctor, 1966- | 0 | 9.
| Ver: Doctor Roncero, Rafael, 1966- | 6 | 10.
| Ronchetti, Costanza | 1 | 11.
| Ronchetti, Mario | 1 |
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