- Christian literature, Latin1
- Christian literature, Latin (Medieval and modern)1
- Christian poetry1
- Christian poetry, English (Middle)1
- Christian poetry, Latin1
- Christian poetry, Latin (Medieval and modern)1
- Christian saints1
- Christian saints in literature1
- Christians--Conduct of life1
- Church history1
- Confession1
- Council of Basel1
- Crusades1
- Crusades (Second) (1147-1149)1
- Cur Deus homo (Anselm, Saint, Archbishop of Canterbury)1
- Daniel (Biblical figure)1
- De gradibus humilitatis et superbiae (Bernard, of Clairvaux, Saint)1
- Devotional literature, English (Middle)1
- Devotional literature, Italian1
- Discipline1