Former Owner
- Abbey of Saint-Germain-des-Prés1
- Abbey of Santa Giustina1
- Abraham Cohen1
- Abraham Yohannan1
- Adalbert von Lanna1
- Adam Samuel Thebesius1
- Adam de Campigny1
- Adelbert Brownlow-Cust, 3rd Earl Brownlow1
- Adolph Sutro1
- Adriana R. Salem1
- Adán Inquaci1
- Albert C. Baugh1
- Albert J. Loomie1
- Albert M. Patrick1
- Albert Parker, 3rd Earl of Morley1
- Albert VII of Mansfeld1
- Alexander Hamilton, 10th Duke of Hamilton1
- Alexander M. Hudnut1
- Alexis Hübner1
- Alfred Chester Beatty1