| Author | Titles | | 1.
| Machado, Maria Helena P. T. | 1 | | 2.
| Machado, Maria José | 1 | | 3.
| Machado, Maria Luísa Amarante Lobo Pereira, 1924- | 0 | | 4.
| Author is: Luísa, Maria, 1924- | 5 | | 5.
| Machado, Maria Luísa Saavedra, 1934- | 3 | | 6.
| Machado, Maria Teresa Corte-Real Saporiti, 1937-20219 | 0 | | 7.
| Author is: Saporiti, Teresa, 1937-2019 | 3154 | | 8.
| Machado, Mário Brockmann | 1 | | 9.
| Machado, Marta | 2 | | 10.
| Machado, Milton 1947- | 1 | | 11.
| Machado, Mónica, 1966- | 2 | | 12.
| Machado, Nuno | 1 |
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