Author
- Arnaldus de Villa Nova1
- Arnaud, Claude, active 1660-1661.1
- Arnulf of Bohéries1
- Arnulf of Lisieux1
- Arnulf of Orléans1
- Ascanio Sforza1
- Athanasius of Alexandria1
- Audax1
- Augustinians1
- Aulus Gellius1
- Averroes1
- Bagnano family1
- Baldinus Ceccharini1
- Bartholomew Anglicus1
- Bartholomew of Trent1
- Bartolomeu Velho1
- Bene da Firenze1
- Benedetto Martinozzi1
- Benedict XII1
- Benedikt Kotruljević1