Author
- Safi al-Din al-Urmawi2
- Thomas Aquinas2
- Varāhamihira2
- Vijñānātman2
- Ya'aḳov ben Yehudah Ben 'Aṭar2
- Śūlapāṇi2
- ʻAbd al-Laṭīf ibn ʻAbd al-ʻAzīz ibn Malak2
- ʿAbd-al-ʿAlī Ibn-Muḥammad al Birǧandī2
- ʿAbd-ar-Raḥmān Ibn-ʿAlī al- Makkūdī2
- Abd-al-Baqi al-Zurqani1
- Abhinavagupta1
- Abraham bar Hiyya1
- Abū Bakr ibn Ismāʻīl Shanawānī1
- Abū al-Qāsim ibn Abī Bakr Samarqandī1
- Abū al-Qāsim ʻAbd al-Raḥmān ibn ʻAlī ibn Abī Ṣādiq al Nīsābūrī1
- Abū ʻAbd al-Raḥmān Yaʻqūb ibn Ayyūb Mawāhidī1
- Adam Magister1
- Al-Qastallani1
- Al-Ḥusayn ibn al-Ḥasan Jurjānī1
- Alexander of Villedieu1