- Calendars1
- Calligraphy1
- Canon law1
- Cantillation--Instruction and study1
- Capponi family1
- Capponi, Alvisia1
- Capponi, Ludovico, 1533-16141
- Capponi, Niccolò1
- Cardinal virtues1
- Care of the sick1
- Carthusians1
- Catches1
- Catherine, of Alexandria, Saint1
- Catherine, of Siena, Saint, 1347-13801
- Catholic Church. Archdiocese of Wrocław (Poland)1
- Cecco, d'Ascoli, 1269-13271
- Cesare d'Este, Duke of Modena and Reggio, 1552-16281
- Charity laws and legislation1
- Chiarini family1
- Chiesa di San Domenico (Ferrara, Italy)1