Former Owner
- Charles Alexander de Cosson1
- Charles Burr1
- Charles Coffin Little1
- Charles D. Humberd1
- Charles Kothen1
- Charles Lormier1
- Charles Marriette1
- Charles Seymour, 6th Duke of Somerset1
- Charles Stephen Ascherson1
- Charles-Adrien Picard1
- Chartreuse Saint-Sixte de Rettel1
- Chartreuse de Val-Saint-Esprit1
- Christian Brevoort Zabriskie1
- Christian Friedrich August Günther1
- Claude Augustin de Cosson1
- Clement VII1
- Clemente Carilli1
- Collegium Germanicum et Hungaricum1
- Convent San Marco1
- Cornelius John Hauck1