Former Owner
- J. Paul Getty Museum1
- J. Thomson1
- Jacob Henry Burn1
- Jay Gould1
- Joachim Guerrinus de Montefegatesio1
- John Dozier Gordan1
- Judith Lady Montefiore College1
- Lancino Curti1
- Leo Olschki1
- Levi, David, active 19th century1
- Lodovicus Saltariellus1
- Lorenzo Antonio da Ponte1
- Lucrezio Palladio degli Olivi1
- Luigi Celotti1
- Luigi Clerici1
- Marcantonio Contarini1
- Mario Maffei1
- Martin Breslauer1
- Morris Jastrow, Jr.1
- Nicolas Antoine Labbey de Billy1