- Astrology and death1
- Astrology, Indic1
- Astrology, Roman1
- Astrology, Thai1
- Astrology--Religious aspects1
- Astronomy, Arab--Tables1
- Astronomy--Popular works1
- Astronomy--Religious aspects1
- Astronomy--Religious aspects--Islam1
- Astronomy--Religious aspects--Jainism1
- Aswānī, ʻUthmān ibn Saʻd Allāh, active 19th century. Risālat al-ikhwān1
- Athanasian Creed1
- Atlantic Ocean--English Channel1
- Atoms1
- Atonement1
- Atonement (Prayer)1
- Atonement (Prayer)--Hinduism1
- Attila, -4531
- Aubertus, de Galardone1
- Aubigné, Agrippa d', 1552-16301