Author
- Arnold Goerinus1
- Arnold-André Sittard1
- Arnulf of Bohéries1
- Arnulf of Lisieux1
- Arnulf of Orléans1
- Arrigucci family1
- Ascanio Sforza1
- Athanasius of Alexandria1
- Audax1
- Augustinians1
- Augustinus Triumphus1
- Augustinus de Leonissa1
- Aulus Gellius1
- Bagnano family1
- Baldinus Ceccharini1
- Baldus de Ubaldis1
- Balthasar de Piscia1
- Bannos Laboybre1
- Bartholomaeus Josephus Paschasius1
- Bartholomaeus de Montagna1