- Buddhist temples--Membership1
- Buffoni, Baldello1
- 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
- Buildings3
- Bukhārī, Muḥammad ibn Ismāʻīl, 810-8703
- Bukhārī, Muḥammad ʻAlī ibn Mubārakshāh, -approximately 1340. Sharḥ Ḥikmat al-ʻayn7
- Bulgaria2
- Bulgaria--Plovdiv1
- Bulgaria--Sofia2
- Bullets1
- Bulls, Papal30
- Bulls--Religious aspects1
- Bulls--Religious aspects--Hinduism1
- Bulqīnī, ʻUmar ibn Raslān, 1324-14031
- Buonaccorsi family1
- Buonaccorsi, Constanza1
- Buonaccorsi, Niccolò di Piero1