Former Owner
- Abraham I. Katsh1
- Abraham Yohannan2
- Abū al-Ḥasan Dallāl1
- Achille Genty1
- Achille Kühnholtz-Lordat1
- Acquired before February 1992 and probably in library for many decades.1
- Acton Griscom4
- Ada E. Moorhead Thomas1
- Adam Clarke3
- Adelbert Brownlow-Cust, 3rd Earl Brownlow1
- Adelrich Benziger1
- Admont Abbey3
- Admont Abbey Library4
- Adolph Sutro12
- Adrian Van Sinderen1
- Adriana R. Salem4
- Adrianus David Schinkel1
- Adrienne Minassian1
- Adán Inquaci1
- Adʹham Nūrī Waṣfī1