| Author | Titles | | 1.
| MacGregor, Neil 1946- | 7 | | 2.
| Mach, Ernst, 1838-1916 | 1 | | 3.
| Machabert, Dominique, 1959- | 11 | | 4.
| Machabey, Armand | 1 | | 5.
| Machadinho, José | 1 | | 6.
| Machado, A. Cunha | 1 | | 7.
| Machado, A. Vitor | 1 | | 8.
| Machado, Achilles | 2 | | 9.
| Machado, Alberto de Sousa | 1 | | 10.
| Machado, Alberto Teles de Utra, 1897-1969 | 2 |
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