Author
- Al-Bayhaqi1
- Al-Hilli1
- Al-Qurtubi1
- Al-Tamimi, the physician1
- Alain of Lille1
- Albertanus of Brescia1
- Albertus Magnus1
- Albertus de Saxonia1
- Alexander of Villedieu1
- Andrea Goussen1
- Anselm of Canterbury1
- Antoine Rolet1
- Antonio d'Azario1
- Arnaldus de Villa Nova1
- Arrigucci family1
- Asher ben Jehiel1
- Averroes1
- Awn ad-Din ibn Hubayra1
- Aḥmad Ibn-Muḥammad Ibn-ar-Rifʿa1
- Aḥmad Ibn-Muḥammad al-Qudūrī1