- Blaise, Saint, -approximately 3162
- Blocked bindings2
- Boethius, -5242
- Booksellers' copies2
- Brass clasps2
- Bread2
- Brutus, the Trojan (Legendary character)2
- Caesar, Julius2
- Calligraphy, German2
- Camaldolese2
- Canon law--Interpretation and construction2
- Canon law--Manuscripts2
- Cantillation2
- Categoriae (Aristotle)2
- Cathedral bindings2
- Charlemagne, Emperor, 742-8142
- Charles VI, King of France, 1368-14222
- Charters and articles of incorporation2
- Christian ethics--Middle Ages2
- Christian heresies2