| Author | Titles | | 1.
| Castro, Victoria | 1 | | 2.
| Castro, Vieira de, 1838-1872 | 2 | | 3.
| Castro, Wagner | 1 | | 4.
| Castro, Willys de, 1926-1988 | 3 | | 5.
| Castro, X. A., 1952- | 0 | | 6.
| Author is: Castro, X. Antón, 1952- | 13 | | 7.
| Castro, X. Antón, 1952- | 13 | | 8.
| Castro, Xavier de | 4 | | 9.
| Castro, Xóse Antón, 1952- | 0 | | 10.
| Author is: Castro, X. Antón, 1952- | 13 | | 11.
| Castro y Bellvis, Guillén de, 1569-1631 | 2 | | 12.
| Castro Y Bravo, Federico de | 1 |
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