Author
- Abdullah bin Asaad Al-Yafi'i1
- Abraham ben Mordecai Farissol1
- Abu Bakr al-Hassar1
- Abu al-Qasim al-Zahrawi1
- Abu ʻAbd Allāh Muḥammad ibn al-Bahāʼ1
- Abū al-Qāsim ʻAbd al-Raḥmān ibn ʻAlī ibn Abī Ṣādiq al Nīsābūrī1
- Abū ʻAbd al-Raḥmān Yaʻqūb ibn Ayyūb Mawāhidī1
- Adrien de le Borve1
- Al-Biruni1
- Al-Jaldaki1
- Al-Khazini1
- Al-Mawardi1
- Al-Mubashshir ibn Fātik1
- Alain of Lille1
- Alamanno Gerardi1
- Alberto Cattani1
- Albrecht von Eyb1
- Alessandro Piccolomini1
- Alessandro da Sassoferrato1
- Alfonso Gondi1