- Shīʻah--Doctrines2
- Soul--Islam2
- Watermarks2
- Wills, Ethical2
- illuminations (paintings)2
- ʻAlī ibn Abī Ṭālib, Caliph, approximately 600-6612
- ʻAqāʼid al-ʻAḍudīyah (Ījī, ʻAḍud al-Dīn ʻAbd al-Raḥmān ibn Aḥmad)2
- Abū al-Layth al-Samarqandī, Naṣr ibn Muḥammad, -983? Muqaddimah fī al-ṣalāh1
- Abū al-Layth al-Samarqandī, Naṣr ibn Muḥammad, d. 983? Muqaddimah fī al-ṣalāh1
- Adam (Biblical figure)1
- Almucantar1
- Amulets (Islam)1
- Anṭākī, Maḥmūd ibn ʻAbd Allāh, -1747 or 1748. Risālat al-istiʻārah1
- Aqshahrī, Ḥasan, 1795 or 1796-18811
- Arab countries1
- Arabic language--Lexicography1
- Arabic language--Lexicology1
- Arabic language--Phonetics1
- Arabs1
- Astronomy1