Former Owner
- Allen Johnson1
- American Type Founders Company. Typographic Library and Museum1
- Amīr Bahādur Jank ʻAẓim Allāh Khān1
- Andrea della Valle1
- Andreas Weiss1
- Andrew Gifford1
- André Rooryck1
- Anne de Graville1
- Arthur Annesley, 1st Earl of Anglesey1
- Arthur Brölemann1
- Ashton Lever1
- Auburn Theological Seminary1
- Aulne Abbey1
- Aḥmad al-Mudarris1
- Aḥmad ibn Muṣṭafá1
- Baldassarre Boncompagni1
- Bartholus Blancellus1
- Battle Abbey1
- Benjamin Heywood Bright1
- Bern Dibner1