Former Owner
- William Augustus White2
- William Bateman2
- A. Rosenthal Ltd.1
- Abbé [Dourout]1
- Abraham Bracebridge1
- Achille Genty1
- Ada E. Moorhead Thomas1
- Adelrich Benziger1
- Adolph Sutro1
- Adrian Van Sinderen1
- Adrianus David Schinkel1
- Agnes Browne1
- Agnes Mongan1
- Alan G. Thomas1
- Albert M. Patrick1
- Alex Scott Carter1
- Alexander Bannatyne Stewart1
- Alexander Beresford Hope1
- Alexander Hamilton, 10th Duke of Hamilton1
- Alfred Chester Beatty1