- Alfonso VII, The Emperor, King of Castile, 1104-11571
- Alfonso VIII, King of Castile, 1155-12141
- Almucantar1
- Amadori family1
- Amadori, Francesco1
- Amelius, Martyr1
- Amicus, Martyr1
- Ana, Queen, consort of Philip II, King of Spain, 1549-15801
- Anaya, Diego de1
- Anaya, Pedro1
- Andronicus II Palaeologus, Emperor of the East, 1260-13321
- Anecdotes1
- Anjou, François, duc d', 1554-15841
- Anthony, of Egypt, Saint, approximately 250-355 or 3561
- Antiquities1
- Aphorisms and apothegms1
- Apollonius, of Tyana1
- Apologetic writings1
- Arabian Peninsula1
- Arabic language--Figures of speech1