- Catalogs1
- Catechetical sermons2
- Catenae2
- Catholic Church5
- Catholics1
- Celibacy2
- Charters3
- Charts, diagrams, etc4
- Christian drama, Italian1
- Christian education1
- Christian ethics1
- Christian hagiography16
- Christian legends2
- Christian literature3
- Christian literature, Italian7
- Christian literature, Latin8
- Christian literature, Latin (Medieval and modern)21
- Christian martyrs2
- Christian poetry, Italian1
- Christian poetry, Latin2