Keywords
- Alfonso V, King of Aragon, 1396-14581
- Algebra1
- Alliata family1
- Almanach perpetuum celestium motuum (Zacuto, Abraham ben Samuel)1
- Altoviti, Bartolomea1
- Amadori, Bartolomeo1
- Amadori, Lorenzo1
- Amadori, Niccolo1
- Angelio family1
- Angels1
- Angèli, Pietro, 1517-15961
- Antidotes1
- Antiquities1
- Apocryphal and legendary literature1
- Apologetics1
- Aqueducts1
- Architecture--Orders1
- Arcibucci, Alessandro1
- Arithmetic--Study and teaching1
- Armada (1588)1