Former Owner
- Alfred Cock1
- Alfred Henry Huth1
- Alfred John Horwood1
- Algernon Percy, 10th Earl of Northumberland1
- Ali Asghar Antiquatchi1
- Alice M. Taylor1
- Allen Johnson1
- Ambroise Firmin Didot1
- American Type Founders Company. Typographic Library and Museum1
- Amīr Bahādur Jank ʻAẓim Allāh Khān1
- Andreas Wunder1
- Anthony Askew1
- Antoine-Augustin Renouard1
- Antonio Laserna1
- Antonio Lauro1
- Antonio Ubaldini1
- Art ancien S.A.1
- Arthur Kay1
- Avraham Gimani1
- Avraham Yedidiah Levi1