| Author | Titles | | 1.
| Ribeiro, Almeida | 1 | | 2.
| Ribeiro, Álvaro, 1905-1981 | 34 | | 3.
| Ribeiro, Álvaro A. Nunes, ca 18- | 1 | | 4.
| Ribeiro, Américo, 1906-1992 | 1 | | 5.
| Ribeiro, Américo, 1906-1992 | 4 | | 6.
| Ribeiro, Amilcar | 3 | | 7.
| Ribeiro, Ana Isabel, 1959- | 124 | | 8.
| Ribeiro, Ana Isabel ; Canelas, Alexandra | 1 | | 9.
| Ribeiro, Ana Isabel Melo | 2 | | 10.
| Ribeiro, Ana Luísa | 1 |
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