Author
- Burchard of Mount Sion1
- Calisto Mazzolla Vicentino1
- Canons Regular of Urgel1
- Cardinal Girolamo Grimaldi1
- Carlo Carafa1
- Carlo de' Medici1
- Carthusian Order1
- Castello del Vivaro1
- Castino1
- Cattanei family1
- Cavalli1
- Charles IX of France1
- Charles VII of France1
- Chihab al-Umari1
- Christianus Joannes de Villabalzana1
- Christopher John Davenport1
- Cicero1
- Cipriano de Valera1
- Cistercians1
- Claudian1