Former Owner
- Alfred Chester Beatty1
- Alfred Morrison1
- Algernon Percy, 10th Earl of Northumberland1
- Alphonse Labitte1
- Alphonse Pinart1
- Andrea Tessier1
- Andrew Gifford1
- André Le Mercier1
- André Rooryck1
- André de Coppet1
- Anne Claude Philippe, Comte de Caylus1
- Anthelme-Michel-Laurent de Migieu, marquis de Savigny1
- Antoine-Augustin Renouard1
- Antonio Laserna1
- Antonio Pallavicini Gentili1
- Antonio Saverio Gentili1
- Antonio Ubaldini1
- Arenburg1
- Assemani family1
- Athelstan Riley1