Former Owner
- Bernard M. Rosenthal1
- Bertram Ashburnham, 4th Earl of Ashburnham1
- Boies Penrose1
- Buxheim Charterhouse1
- C. W. S. Dixon1
- Caesareum Societatis Jesu Collegium Viennense1
- Carleton Rubira Richmond1
- Cecil Deedes1
- Charles Alexander de Cosson1
- Charles Burr1
- Charles D. Humberd1
- Charles E. Roseman Jr.1
- Charles Hurleston1
- Charles Kothen1
- Charles Singer1
- Chartreuse de Montrieux-le-Vieux1
- Claude Augustin de Cosson1
- Claude Joseph Constant Despine1
- Clemente Carilli1
- Cloître de la Chartreuse du Val de Bénédiction1