Former Owner
- Edward Arnold1
- Eric J. Johnson5
- Eric von Rosen1
- F. Grafton & Co., Ltd.1
- Ferdinand Roten Incorporated1
- Foliophiles1
- François de Marcambie1
- Fred Alpers1
- General Theological Seminary1
- Giuseppe Martini1
- Griffon's Medieval Manuscripts, Inc.1
- Harry Levinson1
- Heinrich Eisinger1
- Helge Frank3
- Henry Huth1
- House of Mansfeld1
- J. C. Hanks2
- Johann Heinrich van Ess1
- John Boykett Jarman1
- John Reiner4