Keywords
- Anne (Mother of the Virgin Mary), Saint1
- Anthropomorphic letters1
- Antiphonaries--Manuscripts1
- Apocryphal books (Old Testament)1
- Apollonius, of Tyana1
- Apostles in art1
- Archives1
- Arithmetic--Study and teaching1
- Armies1
- Armorial bindings1
- Arnaldus, de Villanova, -13111
- Arrighi family1
- Asceticism--Early church1
- Astrology, Arab1
- Astronomical instruments1
- Astronomy, Arab1
- Astronomy, Greek1
- Aurispa, Giovanni, approximately 1376-14591
- Austria1
- Austria--Lambach (Upper Austria)1