Former Owner
- Diogo de Mello family1
- Dionne Louange1
- Dionysiĭ Vasilevich1
- Dmitry Buturlin1
- Domenico Grimani1
- Domenico Silvio Passionei1
- Domenico Toschi1
- Donald S. Klopfer1
- Donato II Silva1
- Donaueschingen court library1
- Draycot House1
- Duncan Campbell1
- Duprès, Marguerite1
- E. P. F. Cooper1
- E.P. Goldschmidt & Co.1
- Earlier (pre-1956?) call number: C[abinet] 28, F[older] 3.1
- Edith Guerrier1
- Edmund McClure1
- Edmund Newman1
- Eduard von Sigmundt1