- Blessed1
- Blind stamped bindings1
- Blocked bindings1
- Bonaccorti, Benozzo1
- Bonus, Petrus, active 1323-1330--Manuscripts1
- Book industries and trade1
- Booksellers and bookselling1
- Booksellers' labels1
- Booth, William1
- Borghi, Piero, -approximately 14941
- Boschi, Giovanni1
- Bourbon, Jacques de, 1370-14381
- Bracciolini, Poggio, 1380-14591
- Bracciolini, Poggio, 1380-1459. Correspondence1
- Brancacci, Antonio1
- Brancacci, Branca1
- Brancacci, Caterina1
- Brass clasps1
- Breviary (Benedictine : Catholic Church)1
- Brocade bindings1