- 711-16991
- 794-11851
- Abhidharma1
- Accordion fold format1
- Action and adventure fiction1
- Actions and defenses1
- Administration1
- Adventure stories, Spanish1
- Aesthetics1
- Agama1
- Aghorīs1
- Alfonso I King of Asturias, 693-7561
- Alfonso III, King of Asturias and Leon, approximately 848-approximately 9101
- Alfonso V, King of Asturias and León, 994-1027 or 10281
- Alfonso VI, King of Castile and Leon, 1030-11091
- Alfonso VII, The Emperor, King of Castile, 1104-11571
- Alfonso VIII, King of Castile, 1155-12141
- Alfīyah (Ibn Mālik, Muḥammad ibn ʻAbd Allāh)1
- Alphabet of Ben Sira1
- Altars1