Author
- Ambrosiaster1
- Andrea Amadio1
- Andreas Raumburger1
- Andrew Welch1
- Angelo Gambiglioni1
- Angelus Callimachus de Monteviridi1
- Anselm of Laon1
- 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