Former Owner
- Castelluci1
- Catherine de' Medici1
- Cati S Thomas1
- Caxton Club1
- Cecil Brent1
- Cecil Dunn Gardner1
- Cecil H. Clough1
- Cecil Mallaby Firth1
- Chacère Family1
- Champmol1
- Chapelle du monastère du Carmel de Nantes1
- Charles Alexander de Cosson1
- Charles Archibald Stonehill1
- Charles B. Hoyt1
- Charles Brodrick1
- Charles Bruce, 3rd Earl of Ailesbury1
- Charles Busnel1
- Charles Carmichael Lacaita1
- Charles Deane1
- Charles E. Roseman Jr.1