Former Owner
- William H. Schab2
- William Harris Arnold2
- William Salloch2
- A. Beijan1
- A. H. Harley1
- A. Rosenthal Ltd.1
- A. S. W. Rosenbach1
- A. V. Williams Jackson1
- A.G.T1
- Aaron ben Moses1
- Abbaye de Saint-Sulpice1
- Abbazia dell'Acquafredda1
- Abbey of Saint Gall1
- Abbey of Saint-Germain-des-Prés1
- Abbey of St. Vaast1
- Abraham1
- Abū al-Ḥasan Dallāl1
- Achille Kühnholtz-Lordat1
- Adam Samuel Thebesius1
- Adam de Campigny1