| Author | Titles | | 1.
| Carbonero y Sol, Leon | 1 | | 2.
| Carboni, Erberto | 1 | | 3.
| Carboni, Massimo | 5 | | 4.
| Carboni, Patrizia | 1 | | 5.
| Carboni, Stefano | 6 | | 6.
| Carbonier, Henrik | 1 | | 7.
| Carbonneau, Suzanne | 1 | | 8.
| Carcas, Carlos | 1 | | 9.
| Carceller, Ana, 1964- | 2 | | 10.
| Cárcer de Montalbán, Antonio de | 1 |
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