| Author | Titles | | 1.
| Costa, Martinho, 1977- | 9 | | 2.
| Costa, Martinho Prazeres, 1977- | 0 | | 3.
| Author is: Costa, Martinho, 1977- | 9 | | 4.
| Costa, Martins da, 1921- | 13 | | 5.
| Costa, Martins da, 1921-2005 | 1 | | 6.
| Costa, Martyns da, 1921- | 0 | | 7.
| Author is: Costa, Martins da, 1921- | 13 | | 8.
| Costa, Matías, 1973- | 1 | | 9.
| Costa, Mendes da | 1 | | 10.
| Costa, Mercedes | 1 | | 11.
| Costa, Miguel | 1 | | 12.
| Costa, Miguel 1859-1914 | 1 |
|
|
