- Birgivî Mehmet Efendi, approximately 1522-1573. Uṣūl al-ḥadīth1
- Birjandī, ʻAbd al-ʻAlī ibn Muḥammad ibn Ḥusayn, active 16th century. Bīst bāb dar taqvīm1
- Birth of a person2
- Biserica Ortodoxă Română. Evanghelia1
- Bishops3
- Bishops--Appointment, call, and election4
- Bissoli, Nicola1
- Black Sea6
- Blasphemy (Islam)2
- Blind stamps1
- Blind tooled bindings66
- Blood money (Islamic law)1
- Blood--Circulation1
- Blount, Thomas, active 16th century1
- Bobadilla, Francisco de, -15021
- Bocanegra family1
- Bona, Queen, consort of Sigismund I, King of Poland, 1494-15571
- Bonini, Marco1
- Bonzi, Maria de1
- Book of hours (Catholic Church)1