- Asia2
- Astrolabes8
- Astrology7
- Astrology, Arab8
- Astrology, Iranian1
- Astronomy7
- Astronomy, Arab29
- 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-Rashīd, Muḥammad ibn Ismāʻīl, -1366. Alfāẓ al-kufr1
- Badr al-ṭāliʻ fī ḥall Jamʻ al-jawāmiʻ (Maḥallī, Jalāl al-Dīn Muḥammad ibn Aḥmad)2
- Balkan Peninsula1