Former Owner
- Arthur Vershbow2
- Ball Collection2
- Bateman family2
- Benedetto Affaticati2
- Bernardo Bembo2
- Bertram Dobell2
- Buxheim Charterhouse2
- Carlo Archinto, 2nd Marquess of Parona, 3rd Count of Trainate2
- Carlo Morbio2
- Carlton Lake2
- Caspar René Gregory2
- Certosa di Farneta, Province of Lucca2
- Charles Chardin2
- Charles Lenormand du Coudray2
- Charles V. Wheeler2
- Charles-Gilbert Morel de Vindé2
- Church of St Peter, Chertsey2
- Clarence Howard Clark, Sr.2
- Claude d'Urfé2
- Collegium Agennensis societatis Jesu (Agen, France)2