Author
- Antonio Bernardi1
- Antonio Gazio1
- Antonio d'Azario1
- Antonio de Nebrija1
- Antonius Ferro1
- Antonius of Vercelli1
- António Vieira1
- Arnold-André Sittard1
- Arnulf of Bohéries1
- Arnulf of Lisieux1
- Arnulf of Orléans1
- Athanasius of Alexandria1
- Audax1
- Augustinians1
- Augustinus de Leonissa1
- Baldus de Ubaldis1
- Balthasar de Piscia1
- Bannos Laboybre1
- Bartholomaeus de Montagna1
- Bartholomeo de Soncino1