- Abbaye Saint-André (Villeneuve-lès-Avignon, France)1
- Abbaye aux Dames (Caen, France)--History--Sources1
- Abbaye d'Aywiers1
- Abbazia di S. Maria di Porcilia (Padua, Italy)1
- Abbazia di Santo Stefano (Pistoia, Italy)1
- Abbots--Appointment, call, and election1
- Abnāsī, Ibrāhīm ibn Mūsá, 1325-1399. Sharḥ al-Alfīyah1
- Abraham (Biblical patriarch)2
- Abridgments5
- Absolution1
- Abu Natser Shemuʹel, ha-Leṿi1
- Abu ʻAmar Seʹadyah, ha-Leṿi1
- Abū Bakr, Caliph, -6342
- Abū Yazīd Bisṭāmī, Ṭayfūr ibn ʻĪsá, -874?1
- Abū Yūsuf Yaʻqūb, 731 or 732-7981
- Abū al-Layth al-Samarqandī, Naṣr ibn Muḥammad, -983? Muqaddimah1
- Abū al-Suʻūd Muḥammad, 1181-12471
- Abū al-ʻAbbās al-Baṣīr. Qaṣīdah1
- Abū ʻAmr ibn al-ʻAlāʼ, 689 or 690-770 or 7711
- Abū Ḥanīfah, -767 or 7683