- Astronomy154
- Astronomy in rabbinical literature3
- Astronomy, Ancient3
- Astronomy, Arab218
- Astronomy, Arab--Tables1
- Astronomy, Greek3
- Astronomy, Medieval18
- Astronomy--Mathematics2
- Astronomy--Popular works1
- Astronomy--Religious aspects1
- Astronomy--Religious aspects--Islam1
- Astronomy--Religious aspects--Jainism1
- Astronomy--Tables2
- Aswānī, ʻUthmān ibn Saʻd Allāh, active 19th century. Risālat al-ikhwān1
- Athanasian Creed1
- Athīr al-Dīn al-Abharī, al-Mufaḍḍal ibn ʻUmar, -1265. Hidāyat al-ḥikmah49
- 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
- Atlantic Ocean--English Channel1
- Atlases7