- Accademia degli Humoristi (Rome, Italy)1
- Accademic fiorentina1
- Account books1
- Administration1
- Agustín, Antonio, 1517-1586. Dialogos de medallas inscriciones y otras antiguedades1
- Alba, Fernando Alvarez de Toledo, duque de, 1507-15821
- Aleramo, Marquis of Monferrato, -9671
- Alexander III, Pope, -11811
- Alexander VII, Pope, 1599-16671
- Alfonso II, King of Naples, 1448-14951
- Algebra1
- Angels1
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- Arithmetic--Study and teaching1