| Author | Titles | | 1.
| Machado, Domingos Alves, 1882-1957 | 2 | | 2.
| Machado e Cerveira, António Xavier | 1 | | 3.
| Machado, Edda, 1946- | 3 | | 4.
| Machado, Edith | 1 | | 5.
| Machado, Ellen Thorn | 1 | | 6.
| Machado, Elza Fernandes Paxeco, 1912-1989 | 0 | | 7.
| Author is: Paxeco, Elza, 1912-1989 | 10 | | 8.
| Machado, Énio J., 1868-? | 0 | | 9.
| Author is: Machado, Énio José, 1868-? | 2 | | 10.
| Machado, Énio José, 1868-? | 2 | | 11.
| Machado, F. Moura | 2 | | 12.
| Machado, F. S. de Lacerda, 1870-1955 | 0 | | 13.
| Author is: Machado, Francisco Soares de Lacerda, 1870-1955 | 9 |
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