| Author | Titles | | 1.
| Leal Maldonado, Inés | 1 | | 2.
| Leal, Manuel Pereira da Silva, 1694-1733 | 2 | | 3.
| Leal, Manuel Vaz | 1 | | 4.
| Leal, Marcos | 1 | | 5.
| Leal, Maria Joana Mendes | 1 | | 6.
| Leal, Maria José da Silva | 2 | | 7.
| Leal, Maria Luisa | 2 | | 8.
| Leal, Mário Braga | 1 | | 9.
| Leal, Miguel, 1967- | 21 | | 10.
| Leal, Miguel Nuno Santos Montez | 1 |
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