- Aubertus, de Galardone1
- Aubigné, Agrippa d', 1552-16301
- Auctions1
- Audiore, Antonio1
- Augsburg Confession1
- Aurispa, Giovanni, approximately 1376-14591
- Austria--Kitzbühel1
- Austria--Lambach (Upper Austria)1
- Austria--Vienna1
- Authors, Arab1
- Authors, Arab--Biography1
- Autobiographies1
- Autos-da-fé1
- Aveiro, Gabriel de Lencastre, Duque de, 1667-17451
- Averroës, 1126-11981
- Avicenna, 980-1037. Qaṣīdah al-rūḥīyah1
- Ayyubids1
- Azharī, Khālid ibn ʻAbd Allāh, -1499. Sharḥ al-Ājurrūmīyah1
- Aśvamedha1
- Aśvins (Hindu deities)1