| Author | Titles | | 1.
| Carlos, Guiomar de | 1 | | 2.
| Carlos I, Rei de Portugal, 1863-1908 | 5 | | 3.
| Carlos I, Rei de Portugal, 1863-1908 | 6 | | 4.
| Carlos, Isaac, 1972- | 3 | | 5.
| Carlos, Isabel, 1962- | 113 | | 6.
| Carlos, Isabel Maria Ladeira Ferreia, 1962- | 0 | | 7.
| Author is: Carlos, Isabel, 1962- | 113 | | 8.
| Carlos, João, 1899-1960 | 0 | | 9.
| Author is: João Carlos (nome de artista) | 24 | | 10.
| Carlos, João, 1935- | 1 | | 11.
| Carlos, José | 3 | | 12.
| Carlos Lobo, 1974- | 0 | | 13.
| Author is: Lobo, Carlos, 1974- | 17 |
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