- Courtly love1
- Courts1
- Courts and courtiers1
- Coutinho, Francisco de Sousa, 1597 or 1598-16601
- Criminal law1
- Criticism, Textual1
- Cruciger, Kaspar, 1504-15481
- Crusades (Second) (1147-1149)1
- Cur Deus homo (Anselm, Saint, Archbishop of Canterbury)1
- Customary law1
- Cynics (Greek philosophy)1
- Czech Republic--Brno1
- Dance1
- Dante Alighieri, 1265-13211
- Darius I, King of Persia, 548 B.C.-485 B.C.1
- Dated and datable manuscripts1
- De consolatione philosophiae (Boethius)1
- De finibus bonorum et malorum (Cicero, Marcus Tullius)1
- De generatione et corruptione (Aristotle)1
- De gradibus humilitatis et superbiae (Bernard, of Clairvaux, Saint)1