| Author | Titles | 1.
| Leal, Maria Luisa | 2 | 2.
| Leal, Mário Braga | 1 | 3.
| Leal, Miguel, 1967- | 21 | 4.
| Leal, Miguel Nuno Santos Montez | 1 | 5.
| Leal, Miguel Teixeira da Silva | 1 | 6.
| Leal, Miki, 1974- | 3 | 7.
| Leal, Noémia, 1960- | 1 | 8.
| Leal, Nuno | 6 | 9.
| Leal, Olavo Correia Leite de Eça, 1908-1976 | 0 | 10.
| Author is: Leal, Olavo de Eça, 1908-1976 | 14 | 11.
| Leal, Olavo de Correia Leite d'Eça, 1908-1976 | 0 | 12.
| Author is: Leal, Olavo de Eça, 1908-1976 | 14 |
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