- Agriculture--Economic aspects1
- Alban, Saint, -304?1
- Alexander, the Great, 356 B.C.-323 B.C.1
- Alliata family1
- Amulets (Judaism)1
- Anjou dynasty, 1268-14421
- Aphorisms (Hippocrates)1
- Arabic poetry1
- Archives1
- Ark of the Covenant1
- Arrighi family1
- Arte della lana (Guild : Florence, Italy)1
- Astrology, Arab1
- Astronomy, Arab1
- Avraham ben Yosef Ḥasan, min Ṭaledo1
- Banks and banking1
- Baptism--Catholic Church1
- Barberino, Bardo da1
- Bardi, Giovanni de', conte di Vernio, 1534-16121
- Baronto, Francesca di1