Former Owner
- Claude Bourelier1
- Claude Settlemire1
- Cobham, H. W., 1867-1
- Collegium Germanicum et Hungaricum1
- Corp. Thomas Tay1
- Count Johann Nepomuk Wilczek1
- Cox Macro1
- Cyrus Longworth Lundell1
- D. Andreas Parisino1
- D. D. Horatius Bosner1
- D. Justin McCann1
- Dahīʹzādah1
- Damiano Muoni1
- Daniel B. Fearing1
- Daniel Itzig1
- Daniel Sperber1
- Darvīsh Asʻad ibn ʻAbd al-Karīm ʻArab1
- Darvīsh Aḥmad Khākiyānī1
- Datta, Candī1
- David Werner Amram1