- Capponi family1
- Capponi, Alvisia1
- Capponi, Ludovico, 1533-16141
- Capponi, Niccolò1
- Cardinal virtues3
- Carthusians6
- Cartularies1
- Castles1
- Categoriae (Aristotle)2
- Catherine, of Alexandria, Saint5
- Catherine, of Siena, Saint, 1347-13801
- Catholic Church134
- Catholic Church. Archdiocese of Cologne (Germany)3
- Catholic Church. Archdiocese of Wrocław (Poland)1
- Catholic Church. Curia Romana1
- Catholic Church. Diocese of Toul (France)1
- Catholic authors1
- Cathédrale Saint-Etienne (Toul, France)1
- Catiline, approximately 108 B.C.-62 B.C.2
- Cecco, d'Ascoli, 1269-13271