- Armayūnī, Yūsuf ibn ʻAbd Allāh, -15511
- Armenia1
- Armorial bookplates1
- Asceticism--Hinduism1
- Asharites1
- Ashbāh wa-al-naẓāʼir (Ibn Nujaym, Zayn al-Dīn ibn Ibrāhīm)1
- Ashkenazi, Ẓevi Hirsch ben Jacob, -17181
- Asia1
- Astarābādhī, Muḥammad ibn ʻAlī, -1618 or 1619. Manhaj al-maqāl fī taḥqīq aḥwāl al-rijāl1
- Astronomical instruments1
- Astronomy, Ancient1
- Astronomy--Religious aspects1
- Atoms1
- Atonement (Prayer)1
- Atonement (Prayer)--Hinduism1
- Austria--Vienna1
- Authority--Religious aspects1
- Authors, Arab1
- Azar, Menaḥem ben Natan1
- Azharot1