- Bible. Mark1
- Bible. Numbers1
- Bible. Ruth1
- Bible. Samuel1
- Bible. Timothy, 2nd1
- Bible. Wisdom of Solomon1
- Bidāyat al-mubtadī (Marghīnānī, ʻAlī ibn Abī Bakr)1
- Bindings, Syriac1
- Blessing of the moon1
- Books1
- Breviary (Catholic Church)1
- Bridget, of Sweden, Saint, approximately 1303-13731
- Broadsides1
- Buddhist literature, Tibetan1
- Bulqīnī, ʻUmar ibn Raslān, 1324-14031
- Burdah (Būṣīrī, Sharaf al-Dīn Muḥammad ibn Saʻīd)1
- Burial laws (Jewish law)1
- Burlaeus, Gualterus, 1275-1345?1
- Business records1
- Byzantine Empire1