- Cabala and Christianity1
- Caesar, Julius1
- Caesarius, of Arles, Saint, 470?-5421
- Calandra, Paolo del1
- Calendars of saints1
- California--Malibu1
- Cambio, Antonio di1
- Caravaggio, Giovanni1
- Carlo, Bindo di1
- Carmelites1
- Carnesecchi, Alessandro1
- Cartularies1
- Casa, Lodovico della1
- Casini, Ciulla1
- Castello di Rapolano (Rapolano Terme, Italy)1
- Castrucci, Antonio1
- Casuistry1
- Cathedral bindings1
- Catholic Church. Archdeaconry of London (England)1
- Catholic Church. Archdiocese of Florence (Italy)1