Author
- Valerius Maximus2
- Walter of Châtillon2
- William of Conches2
- William of Montlauzun2
- William of Pagula2
- knight of the Teutonic Order2
- 'Ali ibn al-'Abbas al-Majusi1
- Abbadia San Salvatore1
- Abbaye-aux-Bois1
- Abdias of Babylon1
- Abraham Faber1
- Acciaioli family1
- Accursius1
- Achilles Statius1
- Adam Luce Dominici1
- Adam of Bockenfield1
- Adam of Eynsham1
- Adrian VI1
- Aelianus Tacticus1
- Agnes de Cavaciis1