- Cecco, d'Ascoli, 1269-13271
- Celibacy--Christianity1
- 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
- Charon (Greek mythology)1
- Chess1
- Chiesa di San Domenico (Ferrara, Italy)1
- Children--Death--Religious aspects--Islam1
- Christian converts from Judaism1
- Christian ethics--Early church1
- Christian hagiography1
- Christian heresies--Middle Ages1
- Christian heretics1
- Christian pilgrims and pilgrimages1