- Agunahs1
- Agustín, Antonio, 1517-1586. Dialogos de medallas inscriciones y otras antiguedades1
- Akhlāq al-ʻAḍudīyah (Ījī, ʻAḍud al-Dīn ʻAbd al-Raḥmān ibn Aḥmad)1
- Akhṣar al-mukhtaṣarāt (Ibn Balabān, Muḥammad ibn Badr al-Dīn)1
- Alba, Fernando Alvarez de Toledo, duque de, 1507-15821
- Albania--Gjirokastër1
- Alchemy--Bibliography1
- Alcoholism--Religious aspects--Islam1
- Alexander, the Great, in the Qurʼan1
- Alexius, Saint1
- Alfonso I King of Asturias, 693-7561
- 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
- Algeria1
- Alif (The Arabic letter)1
- Amānāt wa-al-iʻtiqādāt (Saʻadia ben Joseph)1