- Calligraphy, Persian1
- Cambrai, League of, 15081
- Canon law--Handbooks, manuals, etc--Early works to 18001
- Canonists1
- Cardinals1
- Carnesecchi, Amerigo1
- Caro, Ana1
- Carrillo family1
- Carrillo, Pedro, -approximately 1436--Family1
- Castile (Kingdom). Cortes1
- Cathedrals1
- Catherine, of Siena, Saint, 1347-13801
- Catholic Church. Archdiocese of Salzburg (Austria)1
- Catholic Church. Curia Romana1
- Catholic Church. Diocese of Cortona (Italy)1
- Catholic Church. Diocese of Pistoia (Italy)1
- Catholic Church. Diocese of Sigüenza-Guadalajara (Spain)1
- Catholic Church. Diocese of Sion (Switzerland)1
- Catiline, approximately 108 B.C.-62 B.C.1
- Caṇḍi (Hindu deity)1