Author
- Chananel ben Shmuel1
- Charles IV1
- Charles V1
- Charles, Prince of Viana1
- Cherubino da Spoleto1
- Church of the East1
- Cipriano de Valera1
- Cistercians1
- Clare of Assisi1
- Coelius Sedulius1
- Cofradía del Señor San Pedro Apóstel1
- Cologne Charterhouse1
- Coluccio Salutati1
- Confraternita della Santa Croce in Lucca1
- Conrad Bote1
- Conte Gabuzzi1
- Continuator of Martin of Troppau1
- Cosimo I de' Medici, Grand Duke of Tuscany1
- Council of Basel1
- Cudamani1