Former Owner
- Antoine Joseph Rérolle1
- Antony Bek1
- Arnold Jansen op de Haar1
- Arthur Brölemann1
- Baldasarre Boncompagni1
- Baldassarre Boncompagni1
- Bartholus Blancellus1
- Benediktinerinnenabtei St. Walburg1
- Bernardo Bembo1
- Bertram Ashburnham, 4th Earl of Ashburnham1
- Betty Freudenheim1
- Brayton C. Ives1
- Brudenell family1
- C. W. S. Dixon1
- Carlo Archinto, 2nd Marquess of Parona, 3rd Count of Trainate1
- Cartwright, Janet1
- Caxton Club1
- Chapelle du monastère du Carmel de Nantes1
- Charles Bruce, 3rd Earl of Ailesbury1
- Charles E. Roseman Jr.1