Author
- Xenophon2
- knight of the Teutonic Order2
- Ælfric of Eynsham2
- 'Ali ibn al-'Abbas al-Majusi1
- Abbaye Saint-Martin de Plaimpied1
- Abdias of Babylon1
- Abraham Faber1
- Abu al-Qasim al-Zahrawi1
- Accursius1
- Achilles Statius1
- Adam Magister1
- Adam of Aldersbach1
- Adam of Bockenfield1
- Adam of Eynsham1
- Adrian VI1
- Adriano Castellesi1
- Aelianus Tacticus1
- Alain Chartier1
- Alain of Lille1
- Albert Schultens1