- Courts1
- Courts and courtiers4
- Coutinho, Francisco de Sousa, 1597 or 1598-16601
- Credit1
- Cressida (Fictitious character)1
- Criminals1
- Criticism and interpretation15
- Criticism, Textual1
- Criticism, interpretation, etc.16
- Cronica general de España (Ocampo, Florián de)1
- Crucifixion of Jesus Christ1
- Crusades2
- Crusades (Second) (1147-1149)1
- Crypto-Jews2
- Crypto-Jews--Legal status, laws, etc.1
- Cults1
- Cur Deus homo (Anselm, Saint, Archbishop of Canterbury)1
- Customary law3
- Cynics (Greek philosophy)1
- Cyropaedia (Xenophon)1