- Busdraghi, Piero, 14th century1
- Business ethics1
- Business mathematics1
- Byzantine chants1
- Bāb al-Ḥādī ʻashar (Ibn al-Muṭahhar al-Ḥillī, al-Ḥasan ibn Yūsuf)1
- Bēssariōn, Cardinal, 1403-14721
- Cabala and Christianity1
- Caesarius, of Arles, Saint, 470?-5421
- Calandra, Paolo del1
- Calendar, Roman1
- Calendars of saints1
- California--Malibu1
- Calligraphers1
- Calligraphy, Arabic1
- Cambio, Antonio di1
- Canonists1
- Capponi, Matteo1
- Caravaggio, Giovanni1
- Carlo, Bindo di1
- Carlos, Prince of Viana, 1421-14611