- Blaise, Saint, -approximately 3161
- Blocked bindings1
- Boethius, -5241
- Booksellers and bookselling1
- Bosses (Bindings)1
- Brass bosses (Bindings)1
- Breviary (Benedictine : Catholic Church)1
- Broadsides1
- Brocade bindings1
- Brudenell family1
- Buckland Abbey (England)1
- Business ethics1
- Béla IV, King of Hungary, 1206-12701
- Cacciaguerra, Renaldus1
- Caesarius, of Arles, Saint, 470?-542--Sermons--Selections1
- Calendar1
- Calendars of saints1
- Cambron Abbey (Brugelette, Belgium)--History--Sources1
- Canon law--Commentaries1
- Canonists1