Former Owner
- 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
- Adolphe Morlot1
- Adriana R. Salem1
- Adrianus David Schinkel1
- Adrienne Minassian1
- Adán Inquaci1
- Adʹham Nūrī Waṣfī1