Former Owner
- Andreas Wunder1
- Andrew Gifford1
- André Le Mercier1
- André Rooryck3
- André de Coppet2
- André de Rineck1
- Anne Claude Philippe, Comte de Caylus1
- Anne of Brittany1
- Anthelme-Michel-Laurent de Migieu, marquis de Savigny1
- Anthony Askew2
- Antiquarian Books of Boston4
- Antoine Joseph Rérolle1
- Antoine de Court1
- Antoine-Augustin Renouard1
- Antoni Jerzy Apponyi1
- Antonio Assemani1
- Antonio Cánovas del Castillo1
- Antonio Dominico Restis1
- Antonio Laserna1
- Antonio Ubaldini1