Former Owner
- Charles William Dyson Perrins2
- Charles Étienne Brasseur de Bourbourg4
- Christian Gottlieb Schwarz1
- Christophorus de Stinglhaim1
- Claude d'Urfé1
- Coella Lindsay Ricketts23
- Convent of San Domenico1
- Cortlandt F. Bishop1
- Couvent des pères Franciscains (Monte-Carlo, Monaco)1
- Cyrus Adler1
- David Laing1
- Diego Llorente1
- Domenico Levera1
- Eberbach Abbey1
- Edgar J. Goodspeed1
- Edward E. Ayer12
- Edward Hailstone1
- Emily Adamson1
- Ercole Silva1
- Erik von Scherling1