- Armaiolo, Francesco2
- Armayūnī, Yūsuf ibn ʻAbd Allāh, -15512
- Asceticism--Hinduism2
- Ashbāh wa-al-naẓāʼir (Ibn Nujaym, Zayn al-Dīn ibn Ibrāhīm)2
- Asia2
- Asia--Ganges River2
- Astarābādhī, Muḥammad ibn ʻAlī, -1618 or 1619. Manhaj al-maqāl fī taḥqīq aḥwāl al-rijāl2
- Astarābādī, al-Ḥasan ibn Muḥammad, d. 1315. Wāfīyah fī sharḥ al-Kāfīyah2
- Astrometeorology2
- Astronomical literature2
- Athīr al-Dīn al-Abharī, al-Mufaḍḍal ibn ʻUmar, -1265. Hidāyat al-ḥikmah. Qism al-Ṭabīʻī wa-al-ilāhī2
- Augustine, of Hippo, Saint, 354-4302
- Augustinians2
- Austria--Vienna2
- Azharot2
- Babism2
- Badr al-ṭāliʻ fī ḥall Jamʻ al-jawāmiʻ (Maḥallī, Jalāl al-Dīn Muḥammad ibn Aḥmad)2
- Bahlawān, Mūsá ibn ʻAbd Allāh, -1720 or 1721. Risālah al-qiyāsīyah2
- Bakrī al-Ṣiddīqī, Muḥammad ibn Abī al-Afrāḥ, -1676. Qaṣīdah2
- Balarāma (Hindu deity)2