Former Owner
- Abraham Cohen1
- Abraham Yohannan2
- Abū al-Ḥasan Dallāl1
- Acquired before February 1992 and probably in library for many decades.1
- Acton Griscom3
- Ada E. Moorhead Thomas1
- Adam Clarke1
- Adam Sim1
- Adam de Campigny1
- Admont Abbey1
- Admont Abbey Library1
- Adolph Sutro14
- Adolphe Lefrancq1
- Adrianus David Schinkel1
- Adʹham Nūrī Waṣfī1
- Agnes Browne1
- Akbar1
- Alan G. Thomas4
- Alan H. Kempner1
- Alan Noel Latimer Munby1