Former Owner
- Lisa Norris Elkins1
- Louis César de La Baume Le Blanc1
- Louis XIV of France1
- Lucien Gougy1
- Luigi Celotti1
- Luigi Serra di Cassano1
- Luis Ordoñez1
- Lutheran Theological Seminary at Philadelphia1
- Maggs Bros Ltd1
- Marcantonio Contarini1
- Mark Augspürger1
- Markus Fugger1
- Mary Schell Collins1
- Mary Talbot, Countess of Shrewsbury1
- Mary W. T. Dickinson1
- Mortimer Loeb Schiff1
- Muḥammad Bāqir Shīrāzī1
- Muḥammad Ḥusayn ibn Jaʻfar Qulī1
- Oliver Henry Perkins1
- Otto Orren Fisher1