- 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
- Alfīyah fī muṣṭalaḥ al-Ḥadīth (Suyūṭī)1
- Algeria1
- Alif (The Arabic letter)1
- Alimony (Islamic law)1
- Aljamía1
- Almanach perpetuum celestium motuum (Zacuto, Abraham ben Samuel)1
- Almanacs, German1
- Alphabet books1
- Ambrose, Saint, Bishop of Milan, -3971
- Amidah (Jewish prayer)1
- Amānāt wa-al-iʻtiqādāt (Saʻadia ben Joseph)1
- Amīr Khusraw Dihlavī, approximately 1253-13251
- An authorization to perform a ritual slaughter according to the Jewish law by Avraham Mosheh Leʼon of Carpentras to his son Daniʼel, written on 25 of Tamuz 17641
- Anas ibn Mālik, -approximately 7111
- Anbārī, Aḥmad. ḥikāyat al-ḥāl al-gharīb al-mubhijah li-nafs al-arīb1