| Author | Titles | | 1.
| Castro, M. Luis | 1 | | 2.
| Castro, Machado de, 1731-1822 | 2 | | 3.
| Castro, Madalena de | 2 | | 4.
| Castro, Mafalda | 1 | | 5.
| Castro, Mafalda de, 1906-? | 1 | | 6.
| Castro, Manuel, 1945- | 1 | | 7.
| Castro, Manuel Ângelo Ochôa de | 4 | | 8.
| Castro, Manuel Chaves e, 1922-2011 | 59 | | 9.
| Castro, Manuel de, 1934-1971 | 5 | | 10.
| Castro, Manuel de Oliveira Chaves e, 1836-1919 | 9 |
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