Former Owner
- Camilla Doria Pallavicini1
- Castelluci1
- Charles Butler1
- Charles Carmichael Lacaita1
- Charles Edward Harris-St. John1
- Charles Fairfax Murray1
- Charles Joseph Harford1
- Charles Lormier1
- Charles Stephen Ascherson1
- Christian Brevoort Zabriskie1
- Clement VII1
- Collegium Agennensis societatis Jesu (Agen, France)1
- Convent San Marco1
- Cosimo de' Medici1
- Count Alexis de Golowkin1
- D. Manning1
- Domenico Toschi1
- Donato Acciaioli1
- E. Silvestri1
- Edward Craven Hawtrey1