- Burdah (Būṣīrī, Sharaf al-Dīn Muḥammad ibn Saʻīd)1
- Busdraghi, Matteo, 14th century1
- Busdraghi, Nicola, 14th century1
- Busdraghi, Piero, 14th century1
- Byzantine literature1
- Calendar1
- Calligraphy, Persian1
- Cancon (France)1
- Canonists1
- Cantillation--Instruction and study1
- Capponi, Alvisia1
- Capponi, Ludovico, 1533-16141
- Capponi, Niccolò1
- Castles1
- Catherine, of Siena, Saint, 1347-13801
- Catholic Church. Archdiocese of Wrocław (Poland)1
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- Cathédrale Saint-Etienne (Toul, France)1
- Cecco, d'Ascoli, 1269-13271