Former Owner
- Betty Freudenheim1
- Brayton C. Ives1
- Brudenell family1
- C. W. S. Dixon1
- Carlo Archinto, 2nd Marquess of Parona, 3rd Count of Trainate1
- Caxton Club1
- Chapelle du monastère du Carmel de Nantes1
- Charles Bruce, 3rd Earl of Ailesbury1
- Charles E. Roseman Jr.1
- Charles Spencer, 3rd Duke of Marlborough1
- Charles Spencer, 3rd Earl of Sunderland1
- Christian Gottlieb Schwarz1
- Christophorus de Stinglhaim1
- Coppo family1
- Cortlandt F. Bishop1
- David Swan1
- Dionysiĭ Vasilevich1
- Eberbach Abbey1
- Edmund Newman1
- Edmunde Mulse1