- Caracciolo, Antonio, 1515?-15701
- Castello di Rapolano (Rapolano Terme, Italy)1
- Catholic Church. Diocese of Sion (Switzerland)1
- Charlemagne, Emperor, 742-8141
- Charles V, Holy Roman Emperor, 1500-15581
- Chiarini family1
- Christian life1
- Christian saints--Biography1
- Christian saints--Cult1
- Church and state1
- Church finance1
- Church maintenance and repair1
- Church year sermons1
- Cicero, Marcus Tullius1
- Cino, Bartholomeo di1
- Cino, Francesca Piccolomini di1
- Cino, Francesco di1
- Cino, Nofrio di1
- Cistercian monasteries1
- Citizenship1