| Author | Titles | 1.
| Castro, Sílvia de | 1 | 2.
| Castro, Silvio | 3 | 3.
| Castro, Simões de, 1886-1917 | 5 | 4.
| Castro, Soares de | 2 | 5.
| Castro, Sofia | 10 | 6.
| Castro, Sofia, 1968- | 3 | 7.
| Castro, Sofia de | 1 | 8.
| Castro Soromenho, 1910-1968 | 0 | 9.
| Author is: Soromenho, Castro, 1910-1968 | 19 | 10.
| Castro, Sylvie, 19--?- | 1 | 11.
| Castro, Teresa, 1952- | 4 |
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