Former Owner
- Charles Burr1
- Charles D. Humberd1
- Charles F. Gunther1
- Charles Singer1
- Charles Thomas-Stanford1
- Chartreuse Saint-Sixte de Rettel1
- Christian Hertzig1
- Christie's3
- Christophorus de Stinglhaim1
- City College of New York1
- Coella Lindsay Ricketts12
- Cologne Charterhouse3
- Comte d'Aspremont-Lynden1
- Count Johann Nepomuk Wilczek1
- Cristoferus Chrewczer1
- D. D. Horatius Bosner1
- Daniel Itzig1
- David Wolfe Bruce1
- Davis & Harvey1
- Dean of Lukirch1