- Birmāwī, Muḥammad ibn ʻAbd al-Dāʼim, 1362-1428. Nubdhah al-alfīyah fī al-uṣūl al-fiqhīyah1
- Bookkeeping1
- Borders, Ornamental (Decorative arts)1
- Bosnia and Herzegovina--Sarajevo1
- Bosnian language1
- Breviaries1
- Bridget, of Sweden, Saint, approximately 1303-13731
- Buddhism1
- Buddhism--Doctrines1
- Buddhist temples--Membership1
- Building laws (Islamic law)1
- Buildings1
- Bulgaria--Sofia1
- Bullets1
- Bulls, Papal1
- Burhān al-Sharīʻah, Maḥmūd ibn ʻUbayd Allāh, -1274 or 1275. Wiqāyah1
- Burhānpūrī, Muḥammad ibn Faḍl Allāh, -1619 or 1620. Tuḥfah al-mursalah ilá al-Nabī1
- Burial1
- Bushido1
- Bustānī, Buṭrus ibn Būlus, 1818 or 1819-1882 or 1883. Kashf al-niqāb fī ʻilm al-ḥisāb1