Former Owner
- Albert C. Baugh8
- Albert Charles Robinson Carter1
- Alexander Isaac Cotheal7
- Alexander Smets1
- Alexander Smith Cochran2
- Alexandre de Keller1
- Alfonso Cassuto2
- Alfred Cock1
- Alfred Henry Huth3
- Alfred John Horwood2
- Alfredo Chavero1
- Algernon Percy, 10th Earl of Northumberland1
- Ali Asghar Antiquatchi1
- Alice M. Taylor1
- Allen Johnson1
- Amelia Anderson Lundell1
- American Type Founders Company. Typographic Library and Museum2
- Amram ben Avraham Bassel1
- Amīr Bahādur Jank ʻAẓim Allāh Khān1
- Andreas Weiss1