- Biserica Ortodoxă Română. Evanghelia1
- Blank forms1
- Blind stamped bindings1
- Blocked bindings1
- Boccaccio, Giovanni, 1313-13751
- Bonus, Petrus, active 1323-1330--Manuscripts1
- Books and reading1
- Booksellers and bookselling1
- Booksellers' labels1
- Brass clasps1
- Breviary (Benedictine : Catholic Church)1
- Bridget, of Sweden, Saint, approximately 1303-13731
- Brocade bindings1
- Brudenell family1
- Brulefer, Etienne, -approximately 14991
- Brutus, Marcus Junius, 85 B.C.?-42 B.C.1
- Buddhism1
- Bulls, Papal1
- Busdraghi, Matteo, 14th century1
- Busdraghi, Nicola, 14th century1