- Alfonso VII, The Emperor, King of Castile, 1104-11571
- Alfonso VIII, King of Castile, 1155-12141
- Alfīyah (Ibn Mālik, Muḥammad ibn ʻAbd Allāh)1
- Algeria--Hippo (Extinct city)1
- Aljamía1
- Allegories1
- Almanacs1
- Almucantar1
- Alphabet books1
- Alum tawed thongs (Bindings)1
- Ambassadors1
- Amulets1
- Anglo-Norman dialect1
- Anjou, François, duc d', 1554-15841
- Annunciation to the Blessed Virgin Mary1
- Anthologies1
- Anthony, of Egypt, Saint, approximately 250-355 or 3561
- Anthony, of Padua, Saint, 1195-12311
- Antiphons (Music)1
- Apocryphal Gospels1