Author
- Bonaventure1
- Bridget of Sweden1
- Burchard of Mount Sion1
- Caesarius of Arles1
- Cancon1
- Carlo Marsuppini1
- Carthusian Order1
- Castino1
- Charles IV1
- Charles VII of France1
- Charles the Bold1
- Cherubino da Spoleto1
- Christine de Pizan1
- Christopher John Davenport1
- Clement V1
- Coelius Sedulius1
- Consiglio Generale1
- Continuator of Martin of Troppau1
- Coptic Orthodox Church1
- Council of Basel1