- Bible. Leviticus1
- Bible. Numbers1
- Binders' tickets1
- Blessed1
- Bona, Queen, consort of Sigismund I, King of Poland, 1494-15571
- Booksellers' labels1
- Bosses (Bindings)1
- Bracciolini, Poggio, 1380-14591
- Bridles1
- Brocade bindings1
- Brutus, Marcus Junius, 85 B.C.?-42 B.C.1
- Caesar, Julius1
- Calendars1
- Catches1
- Catherine, of Alexandria, Saint1
- Catholic Church. Archdiocese of Wrocław (Poland)1
- Cecco, d'Ascoli, 1269-13271
- Censures, Ecclesiastical1
- Centerpiece and cornerpiece bindings1
- Chained bindings1