Former Owner
- Diego Llorente1
- Diego de Arce y Reinoso1
- Diego de Ayala1
- Domenico Levera1
- Domenico Silvio Passionei1
- Domenico Toschi1
- Domenico Turazza1
- Donato II Silva1
- Donaueschingen court library1
- Dorothy Stahl Brady1
- Dropsie College for Hebrew and Cognate Learning37
- Duncan Beresford-Jones1
- E. Silvestri1
- E.B. Krumbhaar3
- Earl of Chesterfield1
- Eberbach Abbey1
- Edgar Fahs Smith1
- Edmond Révérend du Mesnil1
- Edmund Waterton6
- Eduardo Juan Bullrich1