- Black Death1
- Blank forms1
- Blind stamps1
- Blood money (Islamic law)1
- Blount, Thomas, active 16th century1
- Bobadilla, Francisco de, -15021
- Bocanegra family1
- Bookkeeping1
- Books and reading1
- Books of hours1
- Booksellers and bookselling1
- Botanists1
- Bouchard family1
- Brass bosses (Bindings)1
- Brescia (Italy). Podestà1
- Buddhist literature, Sinhalese1
- Buddhist temples--Membership1
- Bulqīnī, ʻUmar ibn Raslān, 1324-14031
- Burdah (Būṣīrī, Sharaf al-Dīn Muḥammad ibn Saʻīd)1
- Bèze, Théodore de, 1519-16051