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