Former Owner
- Cornelius John Hauck1
- Cortlandt F. Bishop1
- Cosimo de' Medici1
- Count Alexis de Golowkin1
- Count Johann Nepomuk Wilczek1
- Couvent des Minimes (Clermont-Tonnerre, France)1
- Cover of a binding, illegible on what was the outer side.1
- Cox Macro1
- Cristoferus Chrewczer1
- Curt H. Reisinger1
- D'Assonleville family1
- D. Andreas Parisino1
- Daniel Itzig1
- David Bickersteth Magee1
- David Solomon Sassoon1
- David Werner Amram1
- Davis & Harvey1
- Davis & Orioli1
- Dawson Turner1
- De Levis1