| Subject | Titles | | 1.
| Ribeiro, Luís, 1982- | 5 | | 2.
| Ribeiro, Luís Manuel Moniz | 1 | | 3.
| Ribeiro, Luís Nestor | 2 | | 4.
| Ribeiro, Luís Pinto | 1 | | 5.
| Ribeiro, M. | 1 | | 6.
| Ribeiro, Manuel, 1878-1941 | 4 | | 7.
| Ribeiro, Manuel, 1963- | 1 | | 8.
| Ribeiro, Marcos Borges Duprat, 1944- | 0 | | 9.
| Heading is: Duprat, Marcos, 1944- | 1 | | 10.
| Ribeiro, Margarida | 1 | | 11.
| Ribeiro, Maria | 4 |
|
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