- Cardinals2
- Carlos, Prince of Viana, 1421-14612
- Caro, Ana1
- Caroline minuscule47
- Carrillo family1
- Carrillo, Pedro, -approximately 1436--Family1
- Carthusians5
- Castile (Kingdom). Cortes1
- Castilla y León (Spain). Cortes2
- Casuistry1
- Catalogs1
- Catches11
- Categoriae (Aristotle)2
- Cathedral bindings1
- Cathedrals1
- Catherine, of Alexandria, Saint2
- Catherine, of Siena, Saint, 1347-13801
- Catholic Church244
- Catholic Church--Prayers and devotions--Latin--Early works to 18001
- Catholic Church. Archdeaconry of London (England)1