Author
- Bonagiunta Orbicciani1
- Bono Giamboni1
- Bridget of Sweden1
- Bruno Iohannis de Davantria1
- Burchard of Mount Sion1
- Caesarius of Arles1
- Carlo Marsuppini1
- Carlo de' Medici1
- Carthusian Order1
- Cassinese Congregation1
- Castello del Vivaro1
- Cecco d'Ascoli1
- Cherubino da Spoleto1
- Claudian1
- Clement V1
- Coelius Sedulius1
- Cyril of Jerusalem1
- Cyrillus de Quidenon1
- Daniel Terni1
- David ben Joseph ibn Yahya1