- Alexander VII, Pope, 1599-16671
- 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
- Allegories1
- Almucantar1
- Ambassadors1
- Amulets1
- Anecdotes1
- Anecdotes, Persian1
- Anjou, François, duc d', 1554-15841
- Anthologies1
- Anthony, of Egypt, Saint, approximately 250-355 or 3561
- Anthony, of Padua, Saint, 1195-12311
- Apologetic writings1
- Apologetics1
- Arabic language--Conjunctions1