- Bible. Ruth1
- Bible. Thessalonians, 1st1
- Bible. Timothy1
- Bible. Titus1
- Bible. Tobit1
- Bible. Wisdom of Solomon1
- Bibles1
- Bio-bibliography1
- Bishops--Temporal power1
- Blaise, Saint, -approximately 3161
- Blind stamped bindings1
- Blount, Thomas, active 16th century1
- 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