Former Owner
- Leo Olschki1
- Leonhardus Cuntius1
- Lisa Norris Elkins1
- Lorenzo Berdute1
- Louis César de La Baume Le Blanc1
- Louis Hercule Timoléon de Cossé-Brissac1
- Luigi Celotti1
- Luigi Serra di Cassano1
- Luis Escobet1
- Madyan Qusuni1
- Manoel Pereira da Sylva1
- Manuel Fernández del Castillo1
- Manuel John Johnson1
- Mark Augspürger1
- Markus Fugger1
- Mary Schell Collins1
- Mary Talbot, Countess of Shrewsbury1
- Mary W. T. Dickinson1
- Michiel family1
- Morris Jastrow, Jr.1