| Author | Titles | | 1.
| Costa Buján, Pablo | 1 | | 2.
| Costa, C. R. da | 1 | | 3.
| Costa, Cacilda Teixeira da | 6 | | 4.
| Costa, Caetano, 1710-1780 | 0 | | 5.
| Author is: Acosta, Cayetano de, 1710-1780 | 2 | | 6.
| Costa, Caetano Alberto da, 1710-1780 | 0 | | 7.
| Author is: Acosta, Cayetano de, 1710-1780 | 2 | | 8.
| Costa, Caetano da, 1710-1780 | 0 | | 9.
| Author is: Acosta, Cayetano de, 1710-1780 | 2 | | 10.
| Costa, Caetano Ferreira da, fl. [1772-1777] | 3 | | 11.
| Costa, Caetano Francisco da | 1 | | 12.
| Costa Camelo, 1924-2008 | 0 | | 13.
| Author is: Camelo, Costa, 1924-2008 | 5 | | 14.
| Costa, Campelo | 1 |
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