- Alfonso III, King of Asturias and Leon, approximately 848-approximately 9101
- Alfonso V, King of Aragon, 1396-14581
- 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
- Alfonso X, King of Castile and Leon, 1221-12842
- Alfīyah (Ibn Mālik, Muḥammad ibn ʻAbd Allāh)2
- Alfīyat al-ʻIrāqī (ʻIrāqī, ʻAbd al-Raḥīm ibn al-Ḥusayn)2
- Allegories3
- Allegory1
- Almanacs1
- Alphabets1
- Altoviti, Bartolomea1
- Alvarez family1
- Amadori family13
- Amadori, Andrea6
- Amadori, Bartolomeo1
- Amadori, Francesco3
- Amadori, Lorenzo1