- Boards1
- Booksellers and bookselling1
- Booksellers' labels1
- Botany, Medical1
- Bouchard family1
- Bouchet, Jean, 1476-approximately 1558. Balade moralle contre les aveuglez mondainsi1
- Bracciolini, Poggio, 1380-14591
- Bridget, of Sweden, Saint, approximately 1303-13731
- Buffoni, Baldello1
- Buonamici, Giovanni Francesco1
- Byzantine Empire1
- Cabala and Christianity1
- Caesar, Julius1
- Caesarius, of Arles, Saint, 470?-5421
- Calendar1
- Calera, Rodrigo1
- Camaldolese1
- Canon law--Commentaries1
- Cantillation1
- Cardinals--Biography1