Former Owner
- Andreas Weiss1
- Andreas Wunder1
- Andrew Gifford1
- André de Rineck1
- Anne Baker Lewis22
- Anthelme-Michel-Laurent de Migieu, marquis de Savigny1
- Anthony Askew1
- Antiquarian Books of Boston3
- Antoine-Augustin Renouard1
- Antonio Laserna1
- Antonio Lauro1
- Antonio Ubaldini1
- Ariel Toaff1
- Art ancien S.A.2
- Arthur Kay1
- Auchinleck Community Library1
- August Merz1
- Avraham Gimani1
- Avraham Yedidiah Levi1
- Avraham ben Yahya1