Author
- Aelius Donatus1
- Ahmad ibn Hanbal1
- Al-Bayhaqi1
- Al-Quda'i1
- Al-Tamimi, the physician1
- Albertanus of Brescia1
- Albertus de Saxonia1
- Alcuin1
- Aldobrandino da Siena1
- Alexander Bonini1
- Alexander of Villedieu1
- Alfred of Sareshel1
- Amīr Kātib ibn Amīr ʻUmar Itqānī1
- Anselm of Canterbury1
- Antonio d'Azario1
- Arnaldus de Villa Nova1
- Asher ben Jehiel1
- Awn ad-Din ibn Hubayra1
- Aḥmad Ibn-Muḥammad Ibn-ar-Rifʿa1
- Aḥmad Ibn-Muḥammad al- Maidānī1