- Byzantine literature1
- Būṣīrī, Sharaf al-Dīn Muḥammad ibn Saʻīd, 1213?-1296? Burdah1
- Caesar, Julius1
- Calendar1
- Calera, Rodrigo1
- Calligraphy, Persian1
- Cancon (France)1
- Canonists1
- Cantillation--Instruction and study1
- Capponi family1
- Capponi, Alvisia1
- Capponi, Ludovico, 1533-16141
- Capponi, Niccolò1
- Cartularies1
- Castles1
- Catherine, of Siena, Saint, 1347-13801
- Catholic Church. Archdiocese of Wrocław (Poland)1
- Catholic Church. Curia Romana1
- Catholic Church. Diocese of Toul (France)1
- Catholic authors1