| Author | Titles | | 1.
| Leal, José da Silva Mendes, 1818-1886 | 16 | | 2.
| Leal, José Maria da Silva | 2 | | 3.
| Leal, José Simeão | 2 | | 4.
| Leal, Juan | 1 | | 5.
| Leal Junior, António Bernardo de Morais, 1836-? | 2 | | 6.
| Leal Júnior, José da Silva Mendes | 8 | | 7.
| Leal, Luis | 6 | | 8.
| Leal, Luís António Pereira, 1936- | 0 | | 9.
| Author is: Leal, Luís Pereira, 1936- | 5 | | 10.
| Leal, Luís Pereira, 1936- | 5 | | 11.
| Leal, Luís Sáragga, 19--?- | 5 |
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