- Burhān al-Sharīʻah, Maḥmūd ibn ʻUbayd Allāh, d. 1274 or 5. Wiqāyat al-riwāyah3
- Busdraghi, Matteo, 14th century1
- Busdraghi, Nicola, 14th century1
- Busdraghi, Piero, 14th century1
- Business ethics1
- Business mathematics1
- Byzantine Empire2
- Byzantine chants1
- Bāb al-Ḥādī ʻashar (Ibn al-Muṭahhar al-Ḥillī, al-Ḥasan ibn Yūsuf)1
- Bēssariōn, Cardinal, 1403-14721
- Cabala25
- Cabala and Christianity1
- Caesar, Julius5
- Caesarius, of Arles, Saint, 470?-5421
- Cairo Genizah12
- Calandra, Paolo del1
- Calendar3
- Calendar, Roman1
- Calendars10
- Calendars of saints1