Former Owner
- Castelluci1
- Catharine Wisser1
- Catherina van Drenckwaert1
- Catherine Barton1
- Catherine de' Medici1
- Cati S Thomas1
- Caxton Club1
- Cecil Deedes1
- Cecil Dunn Gardner1
- Cecil Mallaby Firth1
- Chacère Family1
- Champmol1
- Charles Alexander de Cosson1
- Charles Archibald Stonehill1
- Charles B. Hoyt1
- Charles Brodrick1
- Charles Busnel1
- Charles Coffin Little1
- Charles Deane1
- Charles E. Roseman Jr.1