- Birth of a person1
- Bituminous materials industry1
- Blank forms1
- Bobadilla, Francisco de, -15021
- Bomma, active 12th century1
- Bona, Queen, consort of Sigismund I, King of Poland, 1494-15571
- Book of hours (Catholic Church)1
- Booksellers' labels1
- Bosnia and Herzegovina--Sarajevo1
- Bosses (Bindings)1
- Bracciolini, Poggio, 1380-14591
- Brass bosses (Bindings)1
- Bread1
- Buckland Abbey (England)1
- Buddhist literature1
- Buddhist literature, Sinhalese1
- Bulqīnī, ʻUmar ibn Raslān, 1324-14031
- Burdah (Būṣīrī, Sharaf al-Dīn Muḥammad ibn Saʻīd)1
- Burhān al-Sharīʻah, Maḥmūd ibn ʻUbayd Allāh, -1274 or 1275. Wiqāyat al-riwāyah1
- Burial laws (Jewish law)1