Former Owner
- Adam Samuel Thebesius1
- Adelbert Brownlow-Cust, 3rd Earl Brownlow1
- Adriana R. Salem1
- Albert C. Baugh1
- Albert M. Patrick1
- Alfred Chester Beatty1
- Alfred Seymour1
- Algernon Percy, 10th Earl of Northumberland1
- Ambroise Firmin Didot1
- Amorbach Abbey1
- Andreas Adelbert Popp1
- Andreas Gross Seiffensieder1
- André Rooryck1
- Anthelme-Michel-Laurent de Migieu, marquis de Savigny1
- Antonio Laserna1
- Antonio Saverio Gentili1
- Antonio Ubaldini1
- Archibald Cary Coolidge1
- Assemani family1
- Athelstan Riley1