- Breastfeeding (Islamic law)4
- Breastfeeding--Religious aspects--Islam2
- Breviaries1
- Bridget, of Sweden, Saint, approximately 1303-13731
- Buddhism1
- Buddhism--Doctrines1
- Buddhist temples--Membership1
- Buhūtī, Manṣūr ibn Yūnus, d. 1641. Dalīl al-ṭālib li-nayl al-maṭālib1
- Buhūtī, Manṣūr ibn Yūnus, d. 1641. ʻUmdah2
- Buhūtī, Ṣāliḥ ibn Ḥasan, -1709 or 1710. ʻUmdat al-fāriḍ2
- Building laws (Islamic law)1
- Buildings1
- Bukhārī, Muḥammad ibn Ismāʻīl, 810-8703
- Bukhārī, Muḥammad ʻAlī ibn Mubārakshāh, -approximately 1340. Sharḥ Ḥikmat al-ʻayn7
- Bulgaria2
- Bulgaria--Sofia1
- Bullets1
- Bulls, Papal1
- Bulqīnī, ʻUmar ibn Raslān, 1324-14031
- Burdah (Būṣīrī, Sharaf al-Dīn Muḥammad ibn Saʻīd)31