- Aurispa, Giovanni, approximately 1376-14591
- Banks and banking1
- Baptism--Catholic Church1
- Bardi, Giovanni de', conte di Vernio, 1534-16121
- Bartolomeo, da Petroio, 1488?-15541
- Basilica di S. Marco Evangelista al Campidoglio (Rome, Italy)1
- Benedictines1
- Berit milah1
- Bible. Genesis1
- Bible. Old Testament1
- Bible. Pentateuch1
- Bible. Ruth1
- Bibles1
- Biography1
- Blaise, Saint, -approximately 3161
- Bona, Queen, consort of Sigismund I, King of Poland, 1494-15571
- Breviary (Catholic Church)1
- Bridles1
- Calendars1
- Canticles1