Author
- Abu Hafs Siraj al-Din al-Ghaznawi1
- Abu Hafs Umar al-Suhrawardi1
- Abu al-'Abbas Tha'lab1
- Abu al-Layth al-Samarqandi1
- Abu'l-Faraj ibn al-Jawzi1
- Abū Saʻīd ibn Manṣūr Dāmaghānī1
- Abū al-Layth al-Samarqandī, Naṣr ibn Muḥammad, -983?1
- Abū ʿAmr al-Dānī1
- Adam Magister1
- Aelius Donatus1
- Ahmad ibn Hanbal1
- Ahmed al-Tijani1
- Al-Baydawi1
- Al-Bayhaqi1
- Al-Quda'i1
- Al-Tamimi, the physician1
- Albertanus of Brescia1
- Albertus de Saxonia1
- Alcuin1
- Aldobrandino da Siena1