Author
- Apostolic Camera1
- Archduke Ernest of Austria1
- Arnaldus de Villa Nova1
- Arnulf of Bohéries1
- Arrigucci family1
- Ascanio Sforza1
- Augustinians1
- Augustinus Triumphus1
- Augustinus de Leonissa1
- Aurelius Victor1
- Bagnano family1
- Baldinus Ceccharini1
- Balthasar de Piscia1
- Bartholomaeus Josephus Paschasius1
- Bartholomaeus de Montagna1
- Bartholomeus de Vitellensibus de Corneto1
- Bartholomew of Braganca1
- Bartolomeo Guidiccioni1
- Batista Piccolomini1
- Benedetto Varchi1