Former Owner
- Sam Schaefler2
- Thomas Thorpe2
- Walter Arthur Copinger2
- A. V. Williams Jackson1
- Abbey of Morimondo1
- Abraham Yohannan1
- Alexis Hübner1
- Alfred C. Chapin1
- Alfred Chester Beatty1
- Alfred Henry Huth1
- Alfredo Chavero1
- American Type Founders Company. Typographic Library and Museum1
- Andrew Gifford1
- André Rooryck1
- André de Rineck1
- Anthelme-Michel-Laurent de Migieu, marquis de Savigny1
- Ariel Toaff1
- Arnold Mettler1
- Arthur Liddell, 5th Baron Ravensworth1
- August Merz1