- Bible. Thessalonians, 1st1
- Bible. Timothy1
- Bible. Titus1
- Bio-bibliography1
- Black Sea1
- Blank forms1
- Blind stamped bindings1
- Boards1
- Bona, Queen, consort of Sigismund I, King of Poland, 1494-15571
- Bonus, Petrus, active 1323-1330--Manuscripts1
- Book of hours (Catholic Church)1
- Books and reading1
- Booksellers and bookselling1
- Bouchard family1
- Breviary (Benedictine : Catholic Church)1
- Bridget, of Sweden, Saint, approximately 1303-13731
- Broadsides1
- Brocade bindings1
- Brudenell family1
- Brulefer, Etienne, -approximately 14991