Former Owner
- Caxton Club1
- Chapelle du monastère du Carmel de Nantes1
- Charles Kothen1
- Charles Étienne Brasseur de Bourbourg4
- Charles-Gilbert Morel de Vindé1
- Chartreuse Saint-Sixte de Rettel1
- Christian Gottlieb Schwarz1
- Christophorus de Stinglhaim1
- Clarence S. Bement1
- Claude Joseph Constant Despine1
- Cortlandt F. Bishop1
- Dadabhoy Framji Rustamji Darabji1
- David Eugene Smith1
- David Werner Amram1
- Diego Llorente1
- Domenico Grimani1
- Dropsie College for Hebrew and Cognate Learning5
- E.B. Krumbhaar2
- Eberbach Abbey1
- Edward E. Ayer3