Keywords
- Apollonius, of Tyana1
- Aqueducts1
- Arab countries1
- Arabic language--Grammar1
- Arabic language--Syntax1
- Arabic poetry1
- Arbaʻah ṭurim (Jacob ben Asher)1
- Arcibucci, Alessandro1
- Arithmetic1
- Arnaldus, de Villanova, -13111
- Arrigucci, Andrea1
- Arrigucci, Donato1
- Asceticism1
- Astronomy, Arab1
- Astronomy, Greek1
- Astronomy--Tables1
- Audiore, Antonio1
- Augsburg Confession1
- Augustinians1
- Austria1