| Author | Titles | 1.
| Caravalho, José Lobo de | 1 | 2.
| Caravalho, Rui Galvão de | 1 | 3.
| Caravana, Fernandes | 1 | 4.
| Caravana, Jorge | 1 | 5.
| Carax, Leos | 3 | 6.
| Carayon, Auguste, 1813-1874 | 1 | 7.
| Carbajal Sebastián, Enrique, 1947- | 1 | 8.
| Carbajo Nogueira, Roberto | 1 | 9.
| Carbajo, Roberto | 1 | 10.
| Carbajo, Tono, 1960- | 1 |
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