- Actions and defenses1
- Adventure stories, Spanish1
- Aeneis (Virgil)1
- Affinity (Law)1
- Agustín, Antonio, 1517-1586. Dialogos de medallas inscriciones y otras antiguedades1
- Alba, Fernando Alvarez de Toledo, duque de, 1507-15821
- Alexander, the Great, 356 B.C.-323 B.C.1
- Alfonso X, King of Castile and Leon, 1221-12841
- America1
- Ana, Queen, consort of Philip II, King of Spain, 1549-15801
- Anglo-Norman dialect1
- Animals1
- Anjou, François, duc d', 1554-15841
- Anthologies1
- Antiphonaries1
- Antiphonaries (Service books)1
- Antiphons (Music)1
- Antiquities1
- Apocryphal Gospels1
- Apocryphal books (New Testament)1