Former Owner
- Charles Marriette1
- Charles Seymour, 6th Duke of Somerset1
- Charles Singer1
- Charles Stephen Ascherson1
- Charles-Gilbert Morel de Vindé1
- Clarence S. Bement1
- Claude Augustin de Cosson1
- Clemente Carilli1
- Collegium Germanicum et Hungaricum1
- Count Johann Nepomuk Wilczek1
- Cristoferus Chrewczer1
- D. Andreas Parisino1
- Dahīʹzādah1
- Damiano Muoni1
- David Eugene Smith140
- David McRoberts1
- David Solomon Sassoon3
- Dean Putnam Lockwood1
- Diego de Ayala1
- Dionysiĭ Vasilevich1