Former Owner
- Himmerod Abbey1
- Howard Lehman Goodhart1
- Imre De Vegh1
- James Ellsworth1
- James Lyell1
- James Stevens-Cox1
- Johannes Patou1
- John B. Stetson Jr.1
- John Eliot Hodgkin1
- Juan de Londono1
- Judah ben Moses, ha-Rofe, ha-Kohen1
- Justin MacCarthy Reagh1
- Libreria antiquaria Mediolanum1
- Louis Loewe1
- Luigi Celotti1
- Luis Ordoñez1
- Marvin-L. Colker1
- Mary W. T. Dickinson1
- Mayer Sulzberger1
- Monastery of Benevívere1