Author
- ʿAbd-al-ʿAlī Ibn-Muḥammad al Birǧandī2
- 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
- Alexander of Villedieu1
- Alfonso Spezzani1
- Ali Qushji1
- Anantabhaṭṭa1
- Anantadeva1
- Aniruddha1
- Appayya Dikshita1
- Augustine of Hippo1
- Augustinus de Leonissa1
- Averroes1
- Avicenna1
- Aḥmad ibn Qāsim Ghazzī1