- Asia--Ganges River12
- Astarābādhī, Muḥammad ibn ʻAlī, -1618 or 1619. Manhaj al-maqāl fī taḥqīq aḥwāl al-rijāl1
- Astrolabes20
- Astrological geomancy1
- Astrology14
- Astrology, Arab14
- Astrology, Iranian1
- Astrometeorology1
- Astronomical instruments12
- Astronomical literature2
- Astronomy29
- Astronomy, Ancient1
- Astronomy, Arab56
- Astronomy, Medieval1
- Astronomy--Mathematics2
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- Astronomy--Religious aspects--Islam1
- Astronomy--Religious aspects--Jainism1
- Athīr al-Dīn al-Abharī, al-Mufaḍḍal ibn ʻUmar, -1265. Hidāyat al-ḥikmah16
- Athīr al-Dīn al-Abharī, al-Mufaḍḍal ibn ʻUmar, d. 1265. Hidāyat al-ḥikmah1