Former Owner
- Charles D. Humberd1
- Charles Eliot Norton1
- Charles F. Gunther1
- Charles Hurleston1
- Charles Marriette1
- Charles Sessler1
- Charles William Dyson Perrins1
- Charles William Hamilton Sotheby1
- Charles-Gilbert Morel de Vindé1
- Chartreuse Saint-Sixte de Rettel1
- Christopher Cheney1
- Church of St James, Sarsden1
- Clarence Howard Clark, Sr.1
- Claude Le Muet1
- Clemente Carilli1
- Coella Lindsay Ricketts1
- Cologne Charterhouse1
- Convento di San Paolo1
- Cornelius John Hauck1
- D. Andreas Parisino1