Former Owner
- Charles Chardin1
- Charles Coffin Little1
- Charles D. Humberd1
- Charles F. Gunther1
- Charles G. Napier1
- Charles Hope, 3rd Marquess of Linlithgow1
- Charles Marriette1
- Charles Stephen Ascherson1
- Charles William Dyson Perrins1
- Christopher Cheney1
- Clarence Lee Cline1
- Claude Augustin de Cosson1
- Claude d'Urfé1
- Collegium Germanicum et Hungaricum1
- Compagnia della Vergine Maria (Cento, Italy)1
- Comte André de Riaucourt1
- Cyrus Longworth Lundell1
- D. Andreas Parisino1
- Daniel B. Fearing1
- David Laing1