- Asia1
- Asia--Ganges River3
- Astarābādhī, Muḥammad ibn ʻAlī, -1618 or 1619. Manhaj al-maqāl fī taḥqīq aḥwāl al-rijāl1
- Astrolabes7
- Astrology18
- Astrology, Arab10
- Astrology, Indic1
- Astrology, Iranian1
- Astrology, Turkish2
- Astrometeorology1
- Astronomical instruments4
- Astronomy16
- Astronomy, Arab21
- Astronomy, Medieval1
- Aswānī, ʻUthmān ibn Saʻd Allāh, active 19th century. Risālat al-ikhwān1
- Athīr al-Dīn al-Abharī, al-Mufaḍḍal ibn ʻUmar, -1265. Hidāyat al-ḥikmah7
- Authority--Religious aspects--Islam1
- Authorship2
- Autographs37
- Avatars (Religion)5