- Asceticism--Hinduism1
- Asceticism--Islam1
- Assumption of the Blessed Virgin Mary3
- Astrology, Roman1
- Astronomy in rabbinical literature1
- Aswānī, ʻUthmān ibn Saʻd Allāh, active 19th century. Risālat al-ikhwān1
- Augustinians4
- Austria1
- Autographs29
- Avicenna, 980-1037. Qaṣidah rūḥānīyah1
- Avodah (Yom Kippur liturgy)4
- Azharot9
- Aḥsāʼī, Ibrāhīm ibn Ḥasan, -1639. Selections1
- Badr al-ṭāliʻ fī ḥall Jamʻ al-jawāmiʻ (Maḥallī, Jalāl al-Dīn Muḥammad ibn Aḥmad)1
- Bahnasī, ʻAbd al-Wahhāb ibn al-Ḥasan, -1286 or 1287. Naẓm Muthallath Quṭrub1
- Banyan tree--Religious aspects--Hinduism2
- Barbara, Saint1
- Bark papers3
- Basmalah3
- Batak language3