Former Owner
- Alexander Boswell, Lord Auchinleck1
- Alexander Fuller-Acland-Hood, 1st Baron St Audries1
- Alexander Smets1
- Alexandre de Keller1
- Alfred Morrison1
- Alfred Trapnell1
- Alfred Tredway White1
- Alfred Woolmer1
- Algerina Peckover1
- Algernon Percy, 10th Earl of Northumberland1
- Ali Asghar Antiquatchi1
- Alice M. Taylor1
- Allan Marquand1
- Allen Johnson1
- Alonso Mendez de Parada1
- Alpha Loretta Owens1
- Alpirsbach Abbey1
- Alvise Bochini1
- Amelia Daubeney1
- American Philosophical Society1