Former Owner
- Daniel Itzig1
- Darvīsh Asʻad ibn ʻAbd al-Karīm ʻArab1
- David McRoberts1
- David Werner Amram1
- Dean Putnam Lockwood1
- Diego de Ayala1
- Dionysiĭ Vasilevich1
- Donaueschingen court library1
- Dorothy Stahl Brady1
- Duncan Beresford-Jones1
- Eberhard Adolph von Muggenthal1
- Edmund Newman1
- Edward Cheney1
- Edward Samuel Dewick1
- Edward Syddell1
- Edward T. Ross1
- Edwin Dloss1
- Edwin H. Fetterolf1
- Edwin Pears1
- Ernest Stroehlin1