| Author | Titles | | 1.
| Castellotti, Marco Bona | 1 | | 2.
| Castells, Manuel, 1942- | 20 | | 3.
| Castells, Rosa María | 1 | | 4.
| Castells-Cambray, Jordi | 1 | | 5.
| Castelluccio, Stéphane, 1964- | 3 | | 6.
| Castellvi | 1 | | 7.
| Castellví, Anna | 1 | | 8.
| Castelman, Riva | 1 | | 9.
| Castelnau-L'Éstoile, Charlotte de | 2 | | 10.
| Castelnuovo, Enrico | 4 |
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