- Birth of a person9
- Bishops1
- Blaeu, Willem Janszoon, 1571-1638. Teatrum orbis terrarum1
- Blaise, Saint, -approximately 3161
- Blessed1
- Blessing and cursing7
- Blind stamps1
- Blind tooled bindings419
- Blood money (Islamic law)1
- Boccaccio, Giovanni, 1313-13751
- Body marking--Religious aspects--Hinduism2
- Bona, Queen, consort of Sigismund I, King of Poland, 1494-15571
- Bookkeeping2
- Bookplates12
- Books41
- Books and reading7
- Books of hours3
- Booksellers and bookselling1
- Booksellers' copies5
- Booksellers' labels4