Keywords
- Asceticism2
- Assumption of the Blessed Virgin Mary1
- Astrolabes7
- Astrology10
- Astrology, Arab2
- Astrometeorology1
- Astronomy22
- Astronomy, Ancient1
- Astronomy, Arab8
- Astronomy, Greek1
- Astronomy, Medieval1
- Astronomy--Tables2
- Athīr al-Dīn al-Abharī, al-Mufaḍḍal ibn ʻUmar, -1265. Hidāyat al-ḥikmah4
- Atlases (Geographic)4
- Augustinians2
- Aurispa, Giovanni, approximately 1376-14591
- Austria94
- Austria--Lambach (Upper Austria)1
- Austrian90
- Authors, Classical18