- Blaise, Saint, -approximately 3161
- Blank forms1
- Blessed1
- Blind stamped bindings1
- Boccaccio, Giovanni, 1313-13751
- Bonaccorti, Benozzo1
- Bonus, Petrus, active 1323-1330--Manuscripts1
- Bonyngton, John1
- Book industries and trade1
- Booksellers and bookselling1
- Booksellers' labels1
- Booth, William1
- Borders, Ornamental (Decorative arts)1
- Borghi, Piero, -approximately 14941
- Boschi, Giovanni1
- Bourbon, Jacques de, 1370-14381
- Brancacci, Antonio1
- Brancacci, Branca1
- Brancacci, Caterina1
- Brass clasps1