Former Owner
- American Art Association1
- Anderson Galleries1
- Andrea Matteo Acquaviva1
- Andrea S.1
- Andrea Tessier1
- Andrea de Sancto Gemino1
- Andrea della Valle1
- Angelo Nicolini1
- Anna Cavanaugh Tobin Anderson1
- Anne of Brittany1
- Antiquariat Emil Hirsch1
- Antonio Lauro1
- Antonio Marino de Caboga1
- Antonio Pallavicini Gentili1
- Antonio Ubaldini1
- Antonio de Bonius1
- Appiano family1
- Archer Milton Huntington1
- Arno M. Voynich1
- Artemesia Piccolomini1