- Asia--Ganges River12
- Astarābādhī, Muḥammad ibn ʻAlī, -1618 or 1619. Manhaj al-maqāl fī taḥqīq aḥwāl al-rijāl1
- Astrolabes11
- Astrology11
- Astrology, Arab7
- Astrology, Iranian1
- Astrometeorology1
- Astronomical instruments2
- Astronomical literature2
- Astronomy25
- Astronomy, Ancient1
- Astronomy, Arab18
- Astronomy, Arab--Tables1
- Astronomy, Medieval1
- Astronomy--Mathematics2
- Astronomy--Religious aspects1
- Astronomy--Religious aspects--Islam1
- Astronomy--Religious aspects--Jainism1
- Athīr al-Dīn al-Abharī, al-Mufaḍḍal ibn ʻUmar, -1265. Hidāyat al-ḥikmah1
- Atonement1