- Ashkenazim1
- Astronomy, Ancient1
- Astronomy, Greek1
- Attila, -4531
- Aurispa, Giovanni, approximately 1376-14591
- Avodah (Yom Kippur liturgy)1
- Azar, Menaḥem ben Natan1
- 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
- Benefices, Ecclesiastical1
- Bernardino, da Siena, Saint, 1380-14441
- Bible. Deuteronomy1
- Bible. Ecclesiastes1
- Bible. Ephesians1
- Bible. Epistles1
- Bible. Esther1
- Bible. Ezekiel1