| Autor | Títulos | | 1.
| Ramón López, José | 3 | | 2.
| Ramón Mélida, José, 1856-1933 | 10 | | 3.
| Ramón Monreal, José | 1 | | 4.
| Ramón y Cajal, Santiago, 1852-1934 | 5 | | 5.
| Ramon y Fernadez-Oxea, Jose | 1 | | 6.
| Ramond, F. C. | 1 | | 7.
| Ramond, Pierre, 1935- | 3 | | 8.
| Ramond, Sylvie | 1 | | 9.
| Ramoneda, Josep | 3 | | 10.
| Ramonet, Ignacio | 1 |
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