| Author | Titles | | 1.
| Frade, José | 6 | | 2.
| Frade, José Maria, 1961- | 2 | | 3.
| Frade, Maria João | 4 | | 4.
| Frade, Pedro Miguel, 1960-1992 | 12 | | 5.
| Fradier, Georges | 2 | | 6.
| Fradinho, Luís , 1965- | 8 | | 7.
| Fradinho, Luís Alberto Gens de Azevedo, 1965- | 0 | | 8.
| Author is: Fradinho, Luís , 1965- | 8 | | 9.
| Fradinho, Manuel | 1 | | 10.
| Fradinho, Maria Teresa Rodrigues dos Santos, 1952- | 0 | | 11.
| Fradique, Joana | 1 |
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