- Cantillation1
- Cardinals1
- Carlos, Prince of Viana, 1421-14611
- Caroline minuscule1
- Carthusians1
- Castilla y León (Spain). Cortes1
- Catherine, of Alexandria, Saint1
- Catholic Church. Archdiocese of Lyon (France)1
- Catholic Church. Diocese of Sigüenza-Guadalajara (Spain)1
- Cavalcanti, Aldobrandino, 1217-12791
- Cavallero, Diego1
- Cecco, d'Ascoli, 1269-13271
- Censored works1
- Census1
- Charitable uses, trusts, and foundations1
- Charity laws and legislation1
- Charles II, King of Spain, 1661-17001
- Charles VI, King of France, 1368-14221
- Charles VII, King of France, 1403-14611
- Charles, Duke of Burgundy, 1433-14771