| Author | Titles | | 1.
| Matias, Leonardo, 1936- | 2 | | 2.
| Matias, M. Margarida L. G. Marques | 1 | | 3.
| Matias, Mafalda | 5 | | 4.
| Matias, Manuel | 2 | | 5.
| Matias, Margarida L.G.Marques | 2 | | 6.
| Matias, Maria Beatriz Ferreira, 1940-2020 | 0 | | 7.
| Author is: Maria Beatriz (nome de artista) | 30 | | 8.
| Matias, Maria Beatriz Valdez Ferreira Martins, 1940-2020 | 0 | | 9.
| Author is: Maria Beatriz (nome de artista) | 30 | | 10.
| Matias, Maria Fernanda, 1957- | 13 | | 11.
| Matias, Maria Margarida Lopes Garrido Marques | 10 | | 12.
| Matias, Maria Margarida Marques | 4 |
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