| Author | Titles | | 1.
| Fortes, André | 1 | | 2.
| Fortes, Corsino, 1933-2015 | 1 | | 3.
| Fortes, Corsino António, 1933-2015 | 0 | | 4.
| Author is: Fortes, Corsino, 1933-2015 | 1 | | 5.
| Fortes, J. Castanho | 1 | | 6.
| Fortes, José | 11 | | 7.
| Fortes, José Maciel Ribeiro | 1 | | 8.
| Fortes Júnior, José C. R., fl. 1899 | 1 | | 9.
| Fortes, Manuel Amaral, 1938- | 5 | | 10.
| Fortes, Manuel de Azevedo | 1 | | 11.
| Fortes, Maria Alcina Pires, 1927- | 0 |
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