Former Owner
- Antoni Jerzy Apponyi1
- Antonio Assemani1
- Antonio Dominico Restis1
- Antonio Lauro1
- Antonio de Bonius1
- Antonius Mensing1
- Arnold Jansen op de Haar1
- Artemesia Piccolomini1
- Arthur Annesley, 1st Earl of Anglesey1
- Arthur Brölemann1
- Arthur Hood, 1st Baron Hood of Avalon1
- Arthur Kay1
- Arthur M. Ellis1
- Ashton Lever1
- Audry Wilkens1
- Austin, Jehan1
- Aytmish al-Bajasī, Amīr, -14001
- Baillieu 18..-188. libraire1
- Baldasarre Boncompagni1
- Baptist Union Theological Seminary1