Former Owner
- Charles Spencer, 3rd Duke of Marlborough1
- Charles Spencer, 3rd Earl of Sunderland1
- Charles Sumner2
- Charles V of France1
- Charles V. Wheeler1
- Chartreuse Saint-Sixte de Rettel1
- Chester Carmelite Friary1
- Christiania Kathedralskoles Bibliothek2
- Christie's3
- Château d'Anet1
- Coella Lindsay Ricketts10
- Condat Abbey1
- Cortlandt F. Bishop1
- Dana Hill1
- David Bee6
- David Werner Amram1
- Diego Alphonso1
- Dorothy Abbe1
- Dropsie College for Hebrew and Cognate Learning5
- E.P. Goldschmidt & Co.1