- Albigenses1
- Albums1
- Albums (Books)1
- Alchemy--Bibliography1
- Aleramo, Marquis of Monferrato, -9671
- Alexander III, Pope, -11811
- Alexander VII, Pope, 1599-16671
- Alexander, the Great, in the Qurʼan1
- Alexius, Saint1
- Alfonso I King of Asturias, 693-7561
- Alfonso II, King of Naples, 1448-14951
- 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
- Algeria1
- Alif (The Arabic letter)1
- Allegory1
- Alliance israélite universelle1