- Ashkenazi, Ẓevi Hirsch ben Jacob, -17181
- Ashkenazim1
- Asia1
- Astrolabes5
- Astrology6
- Astrology, Arab5
- Astrology, Iranian1
- Astronomy5
- Astronomy, Arab7
- Astronomy--Religious aspects--Islam1
- Athīr al-Dīn al-Abharī, al-Mufaḍḍal ibn ʻUmar, -1265. Hidāyat al-ḥikmah11
- Athīr al-Dīn al-Abharī, al-Mufaḍḍal ibn ʻUmar, d. 1265. Hidāyat al-ḥikmah1
- Aurangzeb, Emperor of Hindustan, 1618-17071
- Autographs3
- Aveiro, Gabriel de Lencastre, Duque de, 1667-17451
- Avodah (Yom Kippur liturgy)1
- Azar, Menaḥem ben Natan1
- Azharot3
- Aṣḥāb al-kahf1
- Badr al-ṭāliʻ fī ḥall Jamʻ al-jawāmiʻ (Maḥallī, Jalāl al-Dīn Muḥammad ibn Aḥmad)2