| Author | Titles | | 1.
| Reis, Hugo | 1 | | 2.
| Reis, Humberto | 1 | | 3.
| Reis, Ilda, 1923-1998 | 14 | | 4.
| Reis, Isabel Cardigo dos | 1 | | 5.
| Reis, J. | 1 | | 6.
| Reis, Jaime | 3 | | 7.
| Reis, Jaime Batalha, 1847-1935 | 10 | | 8.
| Reis, Joana, 1978- | 1 | | 9.
| Reis, João, 1899-1982 | 44 | | 10.
| Reis, João António | 6 |
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