Former Owner
- Alexander Hamilton, 10th Duke of Hamilton1
- Alexis Hübner1
- Alfred Chester Beatty1
- Alfred Cock1
- Alfred E. Hamill1
- Alfred Seymour1
- Algernon Percy, 10th Earl of Northumberland1
- Alphonse Labitte1
- Amorbach Abbey1
- Andreas Adelbert Popp1
- Andreas Gross Seiffensieder1
- Andrew Gifford1
- André Le Mercier1
- André Rooryck1
- Anne Claude Philippe, Comte de Caylus1
- Anthelme-Michel-Laurent de Migieu, marquis de Savigny1
- Antonio Laserna1
- Antonio Pallavicini Gentili1
- Antonio Saverio Gentili1
- Antonio Ubaldini1