Author
- Brethren of Purity1
- Bulghārī, Burhān al-Dīn ibn Kamāl al-Dīn1
- Calisto Mazzolla Vicentino1
- Camillo Capilupi1
- Camillo Querno1
- Cancon1
- Cardinal Girolamo Grimaldi1
- Carlo Carafa1
- Carlo da Corte1
- Cattanei family1
- Cavalli1
- Celestino Bistomago1
- Chancery of Apostolic Briefs1
- Charles Howard, 1st Earl of Nottingham1
- Charles IX of France1
- Charles, Prince of Viana1
- Chaves, Melchor de1
- Christophe de Paris1
- Claude Nau1
- Cofradía de Nuestra Señora de las Nieves (Valladolid, Spain)1