- Abbasids1
- Ablutions (Islamic law)1
- Abū Bakr, Caliph, -6341
- Abū Yazīd Bisṭāmī, Ṭayfūr ibn ʻĪsá, -874?1
- Abū Yūsuf Yaʻqūb, 731 or 732-7981
- Abū al-Layth al-Samarqandī, Naṣr ibn Muḥammad, d. 983? Muqaddimah fī al-ṣalāh1
- Abū al-Suʻūd Muḥammad, 1181-12471
- Abū ʻAmr ibn al-ʻAlāʼ, 689 or 690-770 or 7711
- Abū Ḥanīfah, -767 or 768. Maqṣūd fī al-taṣrīf1
- Accademia degli Humoristi (Rome, Italy)1
- Account books1
- Action and adventure fiction1
- Actions and defenses1
- Actions and defenses (Islamic law)1
- Administration1
- Adventure stories, Spanish1
- Aeneis (Virgil)1
- Aesthetics1
- Aesthetics, Indic1
- Agunahs1