Former Owner
- J.J. Middleton1
- Jacob Riegel1
- Jean-Baptiste Huzard1
- Johannes Betrus Ravenoldus1
- John C. Jackson1
- John Camp Williams1
- John D. Stanitz1
- John Lee1
- John Ruskin1
- John Ward, 1st Earl of Dudley1
- Judith Lady Montefiore College1
- Leo Olschki1
- Lionardo di Paolo Adimari1
- Matteo Luigi Canonici1
- Michael Bernays1
- Monastero di Santo Spirito in Verona1
- Morris Jastrow, Jr.1
- Norza, Leon1
- Noël Pinelli1
- Paolo Giovio1