- Cabala1
- Caesar, Julius1
- Calligraphy, Arabic1
- Cardona, Catalina de, 1519-15771
- Carlos, Prince of Viana, 1421-14611
- Catherine, of Alexandria, Saint1
- Chained bindings1
- Childhood of Jesus Christ1
- Children1
- Chishtīyah members1
- Christian ethics--Catholic authors1
- Christian life1
- Christian life--Catholic authors1
- Christian literature, Early1
- Christian saints--Cult1
- Christian women saints1
- Christianity--Controversial literature1
- Church history1
- Clasps1
- Clement VI, Pope, approximately 1291-13521