Former Owner
- Alexander Bannatyne Stewart1
- Alexander Beresford Hope1
- Alexander Hamilton, 10th Duke of Hamilton1
- Alfred Henry Huth1
- Alfred Trapnell1
- Alice M. Taylor1
- Alphonse Labitte1
- Alvise Bochini1
- Anderson Galleries1
- Andrea S.1
- Angela Burdett-Coutts, 1st Baroness Burdett-Coutts1
- Antoine Lagnier1
- Antoine de Buz1
- Antoine de Court1
- Antoni Jerzy Apponyi1
- Antonius Mensing1
- Artemesia Piccolomini1
- Arthur Liddell, 5th Baron Ravensworth1
- Arthur M. Ellis1
- Baldasarre Boncompagni1