Former Owner
- Eric von Rosen1
- F. Grafton & Co., Ltd.1
- Ferdinand Roten Incorporated1
- Foliophiles1
- François de Marcambie1
- Fred Alpers1
- General Theological Seminary1
- George D. Smith1
- Griffon's Medieval Manuscripts, Inc.1
- Harry Levinson1
- Heinrich Eisinger1
- Henry Huth1
- House of Mansfeld1
- Hugo Stangenwald1
- Håkon Hallberg1
- James Dickson Clark, active Brooklyn in 1860.1
- Johann Heinrich van Ess1
- John Boykett Jarman1
- John Rolls, 2nd Baron Llangattock1
- Joseph Pope1