Author
- Nasir al-Din al-Tusi2
- Peter Cantor2
- Peter of Poitiers2
- Petrus Comestor2
- Robert Grosseteste2
- Thomas of Cantimpré2
- Abbaye-aux-Bois1
- Abdollah ibn Bukhtishu1
- Abraham Faber1
- Abu Bakr al-Razi1
- Abu Dawood1
- Abu Isa at-Tirmidhi1
- Accursius1
- Adam of Bockenfield1
- Al-Biruni1
- Al-Khatib al-Baghdadi1
- Al-Khazini1
- Al-Mawardi1
- Al-Mu'azzam Isa1
- Albertanus of Brescia1