- Abbaye Saint-André (Villeneuve-lès-Avignon, France)1
- Abnāsī, Ibrāhīm ibn Mūsá, 1325-1399. Sharḥ al-Alfīyah1
- Absolution1
- 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-ʻAbbās al-Baṣīr. Qaṣīdah1
- Abū ʻAmr ibn al-ʻAlāʼ, 689 or 690-770 or 7711
- Academic theses1
- Acciaiuoli, Roberto, 1467-15471
- Acupuncture1
- Acupuncture points1
- Adam (Biblical figure)1
- Adarve, Lazardo del1
- Administration1
- Aesop's fables1
- Affinity (Law)1
- Africa--Atlantic Coast1
- Agazaria, Claudio Boncompagni di1
- Aggada1