Author
- Robert Grosseteste2
- Abd al-Nabī ibn Abī Bakr Kurdī1
- Abdisho bar berika1
- Abu al-Hariri1
- Adriano Castellesi1
- Aelianus Tacticus1
- Ahmad al-Buni1
- Ahmed al-Tijani1
- Al-Damiri1
- Al-Ghazali1
- Al-Hilli1
- Al-Maqrizi1
- Albert de Löwenstein-Wertheim-Virnebourg1
- Albertus Magnus1
- Albrecht von Bonstetten1
- Alfonso de Cartagena1
- Ali ibn Mohammed al-Jurjani1
- Alonso Martin del Canto1
- Angelus Callimachus de Monteviridi1
- Anselm of Canterbury1