- 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
- America1
- Ana, Queen, consort of Philip II, King of Spain, 1549-15801
- Annals and chronicles1
- Anthologies1
- Antiphonaries1
- Aragon (Spain). Cortes1
- Architecture1
- Architecture, Roman1
- Argonauts (Greek mythology)1
- Aristotle1
- Arthur, King1
- Arthurian romances1
- Assumption of the Blessed Virgin Mary1
- Battle of Covadonga (Covadonga, Spain : 718)1
- Belgium1