Former Owner
- Charles Kothen1
- Charles Lormier1
- Charles Sessler1
- Charles-Adrien Picard1
- Charles-Gilbert Morel de Vindé1
- Charlier de Namur1
- Chiswick Book Shop1
- Christian Friedrich August Günther1
- Christian Gottlieb Schwarz1
- Church of St James, Sarsden1
- Claude Joseph Constant Despine1
- Claude d'Urfé1
- Clement VII1
- Clément de Renesse-Breidbach1
- Cortlandt F. Bishop1
- Count Alexis de Golowkin1
- Dame Margery Byrkenhed1
- Dawson Turner1
- Diogo de Mello family1
- Dionysiĭ Vasilevich1