| Author | Titles | 1.
| Masclet, Daniel | 1 | 2.
| Masdeu, Cristina Real | 1 | 3.
| Masdeu y Montero, Juan Francisco de, 1744-1817 | 1 | 4.
| MASEA (Firma de arquitectura) | 1 | 5.
| Masefield, John | 3 | 6.
| Masefield, John Edward | 1 | 7.
| Masella, Carla | 1 | 8.
| Maselli, Titina, 1924- | 2 | 9.
| Maselli, Titina, 1924-2005 | 1 | 10.
| Maser, Edward A. | 3 |
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