- Astrology, Turkish2
- Astronomical instruments14
- Astronomy19
- Astronomy, Arab57
- Astronomy, Greek1
- 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-ḥikmah48
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- Atoms1
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- Authors, Arab1
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- Avicenna, 980-10371
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- Avicenna, 980-1037. Qaṣīdah al-rūḥīyah1
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