- Antiquities1
- Apocryphal and legendary literature1
- Apologetics1
- Aqueducts1
- Architecture--Orders1
- Arithmetic--Study and teaching1
- Armada (1588)1
- Arnaldus, de Villanova, -13111
- Arrighi family1
- Asceticism1
- Atlases (Geographic)1
- Audiore, Antonio1
- Ballads, Italian1
- Banks and banking1
- Bardi, Giovanni de', conte di Vernio, 1534-16121
- Bartolomeo, da Petroio, 1488?-15541
- Basilica di San Marco (Venice, Italy)1
- Battiferri degli Ammannati, Laura, 1523-15891
- Battle of Lepanto (Greece : 1571)1
- Benedictines1