Former Owner
- Ada E. Moorhead Thomas1
- Adam Clarke1
- Adelrich Benziger1
- Admont Abbey1
- Adolph Sutro1
- Albert M. Patrick1
- Alex Scott Carter1
- Alexander Bannatyne Stewart1
- Alexander Hamilton, 10th Duke of Hamilton1
- Alfred Chester Beatty1
- Alfred Henry Huth1
- Alfred Trapnell1
- Alison Johnstone1
- Allen Rowland1
- Amelia Anderson Lundell1
- Amelia Daubeney1
- Anchin Abbey1
- Andrew Fountaine1
- Andrew Gifford1
- Anna Maria Louisa Peachey1