- Astrolabes41
- Astrological geomancy1
- Astrology9
- Astrology, Arab37
- Astrology, Indic1
- Astrology, Iranian1
- Astrology, Turkish2
- Astronomical instruments32
- Astronomy24
- Astronomy, Arab179
- Astronomy, Greek1
- Astronomy, Medieval2
- Aswānī, ʻUthmān ibn Saʻd Allāh, active 19th century. Risālat al-ikhwān1
- Athīr al-Dīn al-Abharī, al-Mufaḍḍal ibn ʻUmar, -1265. Hidāyat al-ḥikmah52
- Athīr al-Dīn al-Abharī, al-Mufaḍḍal ibn ʻUmar, -1265. Hidāyat al-ḥikmah. Qism al-Ṭabīʻī wa-al-ilāhī2
- Athīr al-Dīn al-Abharī, al-Mufaḍḍal ibn ʻUmar, d. 1265. Hidāyat al-ḥikmah5
- Atlases1
- Atoms1
- Authority--Religious aspects2
- Authors, Arab2