- Astronomy49
- Astronomy in rabbinical literature1
- Astronomy, Ancient1
- Astronomy, Arab86
- Astronomy, Arab--Tables1
- Astronomy, Greek1
- Astronomy, Medieval5
- Astronomy--Religious aspects1
- Aswānī, ʻUthmān ibn Saʻd Allāh, active 19th century. Risālat al-ikhwān1
- Athīr al-Dīn al-Abharī, al-Mufaḍḍal ibn ʻUmar, -1265. Hidāyat al-ḥikmah8
- Athīr al-Dīn al-Abharī, al-Mufaḍḍal ibn ʻUmar, -1265. Hidāyat al-ḥikmah. Qism al-Ṭabīʻī wa-al-ilāhī2
- Atlases1
- Atlases (Geographic)5
- Atoms1
- Atonement (Hinduism)3
- Atonement (Prayer)1
- Atonement (Prayer)--Hinduism1
- Attila, -4531
- Aubertus, de Galardone1
- Auctions1