- Catholic Church. Diocese of Pistoia (Italy)1
- Catholic Church. Diocese of Sion (Switzerland)1
- Catholic authors1
- Celleri, Azzo1
- Celleri, Fabrizio1
- Celleri, Ippolita1
- Charles V, Holy Roman Emperor, 1500-15581
- Charles VIII, King of France, 1470-14981
- Chellini, Bartolomeo1
- Chiesa di San Michele Visdomini (Florence, Italy)1
- Christian heresies1
- Christianity and other religions1
- Church finance1
- Church property1
- Church vestments1
- Cistercian monasteries1
- Civil procedure1
- Classical literature1
- Clergy--Pensions1
- Codaro, Abramo1