Former Owner
- Ada E. Moorhead Thomas1
- Adolphe Morlot1
- Adrianus David Schinkel1
- Adʹham Nūrī Waṣfī1
- Agnes Mongan1
- Albert Parker, 3rd Earl of Morley1
- Alexander Bannatyne Stewart1
- Alexander Hamilton, 10th Duke of Hamilton1
- Alfred Trapnell1
- Allan Marquand1
- Alphonse Pinart1
- Andrea della Valle1
- Andreas Wunder1
- Andrew Fountaine1
- André Le Mercier1
- Angela Burdett-Coutts, 1st Baroness Burdett-Coutts1
- Angèle Louise Maggi Spaulding1
- Anna Maria Louisa Peachey1
- Anne of Brittany1
- Annie L. Wiggins1