- Brutus, Marcus Junius, 85 B.C.?-42 B.C.1
- Brutus, the Trojan (Legendary character)1
- Bēssariōn, Cardinal, 1403-14721
- Cacciaguerra, Renaldus1
- Camaldolese1
- Caracciolo, Antonio, 1515?-15701
- Cardinal virtues1
- Cardinals--Biography1
- Carthusians1
- Castello di Rapolano (Rapolano Terme, Italy)1
- Catherine, of Alexandria, Saint1
- Catholic Church. Diocese of Sion (Switzerland)1
- Cavalcanti, Aldobrandino, 1217-12791
- Charlemagne, Emperor, 742-8141
- Charles V, Holy Roman Emperor, 1500-15581
- Chiarini family1
- Christian ethics--Catholic authors1
- Christian ethics--Early church1
- Christian hagiography1
- Christian heresies1