Former Owner
- Adrianus David Schinkel2
- Albert J. Loomie2
- Alexander Hamilton, 10th Duke of Hamilton2
- Alexander Smith Cochran2
- Alfred Higgins2
- Alfred Morrison2
- Alice Millard2
- Ampleforth Abbey2
- Andrew Gifford2
- André de Coppet2
- Antoine-Augustin Renouard2
- Arenburg2
- Arthur Vershbow2
- Ball Collection2
- Baptist Union Theological Seminary2
- Bateman family2
- Benedetto Affaticati2
- Bernard Quaritch2
- Bernardo Bembo2
- Bertram Dobell2