| Author | Titles | 1.
| Cocchiareli, Fernando | 1 | 2.
| Coccia, Emanuele, 1976- | 6 | 3.
| Cocco, Vincenzo | 5 | 4.
| Cochard, Léon | 1 | 5.
| Cocheril, Maur, 1914-1982 | 12 | 6.
| Cocheris, Hippolyte | 1 | 7.
| Cochet, Annelise | 1 | 8.
| Cochet, Gérard | 1 | 9.
| Cochiarale, Fernando | 1 | 10.
| Cochim. Bispo, 2009- (Joseph Kariyil) | 1 |
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