- Cardinals--Biography1
- Carli, Giovanfrancesco de'1
- Carlo, Giovanbattista di1
- Carretto, Giovanni Francesco1
- Casini, Vergilio1
- Casting off1
- Cathedrals1
- Catherine, of Alexandria, Saint1
- Catholic Church. Archdiocese of Wrocław (Poland)1
- Catholic Church. Diocese of Cortona (Italy)1
- Catholic Church. Diocese of Pistoia (Italy)1
- Catholic Church. Diocese of Sion (Switzerland)1
- Celestines1
- Celleri, Azzo1
- Celleri, Fabrizio1
- Celleri, Ippolita1
- Centerpiece and cornerpiece bindings1
- Chained bindings1
- Charles IV, Duke of Lorraine, 1604-16751
- Charles IX, King of France, 1550-15741