Former Owner
- Charles Lenormand du Coudray1
- Charles Stephen Ascherson1
- Charles William Dyson Perrins1
- Charlier de Namur1
- Chiswick Book Shop1
- Christian Gottlieb Schwarz1
- Christopher Cheney1
- Château d'Anet1
- Claude d'Urfé1
- Collège Saint-Clément1
- Coppo family1
- Cox Macro1
- Daniele Florio1
- David Laing1
- David Swan1
- Davis & Orioli1
- Deighton, Bell, & Company1
- Domenico Grimani1
- Domenico Silvio Passionei1
- E. M. Sowter1