| Author | Titles | | 1.
| Castro, Augusto Mendes Simões de, 1845-1932 | 21 | | 2.
| Castro, Aurora Teixeira de | 1 | | 3.
| Castro, Auzenda Coelho de, 1960- | 0 | | 4.
| Author is: Castro, Auzenda de, 1960- | 1 | | 5.
| Castro, Auzenda de, 1960- | 1 | | 6.
| Castro, Basilio Losada | 1 | | 7.
| Castro, Bento Madeira de | 1 | | 8.
| Castro, Bernardino | 1 | | 9.
| Castro, Bernardo José de Abrantes e | 5 | | 10.
| Castro Borrego, Fernando, 1949- | 4 | | 11.
| Castro, Brian | 1 |
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