| Author | Titles | | 1.
| Machado, Augusto Reis, 1887-1966 | 24 | | 2.
| Machado, A.Victor | 1 | | 3.
| Machado, Baptista | 1 | | 4.
| Machado, Bernardina Leite | 1 | | 5.
| Machado, Bernardino, 1851-1944 | 26 | | 6.
| Machado, Botto | 1 | | 7.
| Machado, Brígida, 1980- | 6 | | 8.
| Machado, Carla Capelo | 1 | | 9.
| Machado, Carlos | 2 | | 10.
| Machado, Carlos Alberto | 3 |
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