Former Owner
- Bet din tsedeḳ London ṿeha-medinah2
- Binyamin ben Salem Elark2
- Boies Penrose II2
- Brudenell family2
- Carl Reinhardt2
- Carlo Archinto, 2nd Marquess of Parona, 3rd Count of Trainate2
- Carlo Morbio2
- Caspar René Gregory2
- Catherine Conduitt2
- Certosa di Farneta, Province of Lucca2
- Charles Burr2
- Charles Carmichael Lacaita2
- Charles Joseph Harford2
- Charles Lenormand du Coudray2
- Charles Stuart, 1st Baron Stuart de Rothesay2
- Charles V. Wheeler2
- Chartreuse Saint-Sixte de Rettel2
- Church of St Peter, Chertsey2
- Collegium Agennensis societatis Jesu (Agen, France)2
- Coluccio Salutati2