Former Owner
- Charles Fontaine1
- Charles Joseph Harford1
- Charles Porterfield Krauth1
- Chartreuse Saint-Sixte de Rettel1
- Claude Le Muet1
- Clement XI1
- Clément de Renesse-Breidbach1
- Cologne Charterhouse1
- Conradus Eerens1
- Constance de Foix1
- Convento di San Giusto alle Mura1
- Convento di San Paolo1
- D. D. Horatius Bosner1
- Dana Hill1
- Darvīsh Asʻad ibn ʻAbd al-Karīm ʻArab1
- Davis & Orioli1
- De Raude1
- Diego Alphonso1
- Dominican Nunnery Holy Cross1
- Duke C. Visconti di Modrone1