Author
- Abraham ibn Ezra1
- Abu Bakr al-Razi1
- Accursius1
- Achilles Statius1
- Adam of Bockenfield1
- Aelius Donatus1
- Albertus Magnus1
- Albertus de Saxonia1
- Alcuin1
- Alexander Bonini1
- Alexander V1
- Alfonso X of Castile and Leon1
- Andrea Cambini1
- Angelo Gambiglioni1
- Antonia Tanini Pulci1
- Antonino Castaldo1
- Antonio Gazio1
- Antonius of Vercelli1
- Arnaldus de Villa Nova1
- Aurelius Victor1