Former Owner
- D. Andreas Parisino1
- Dahīʹzādah1
- Damiano Muoni1
- David McRoberts1
- Dean Putnam Lockwood1
- Diego de Ayala1
- Dionysiĭ Vasilevich1
- Donaueschingen court library1
- Duncan Beresford-Jones1
- Eberhard Adolph von Muggenthal1
- Edmund Newman1
- Edward Cheney1
- Edward Samuel Dewick1
- Edward Syddell1
- Edward T. Ross1
- Edwin Dloss1
- Edwin H. Fetterolf1
- Ernest Stroehlin1
- Ernst Ludwig von Leutsch1
- Ernst Schultze1