| Author | Titles | | 1.
| Castel-Branco, Miguel | 2 | | 2.
| Casteleijn, Elvie | 1 | | 3.
| Casteleira, Carlos, 1962 | 1 | | 4.
| Casteleira, Eufémia Pires | 1 | | 5.
| Castelfranco, Giorgio | 2 | | 6.
| Castelino, João, 1975- | 2 | | 7.
| Castell, Jaime | 1 | | 8.
| Castellá | 1 | | 9.
| Castella, G. | 1 | | 10.
| Castella, Gaston | 1 |
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