Former Owner
- Louis Herbert Gray1
- Ludovico Settala1
- Luigi Celotti1
- Luther Albertus Brewer1
- Madeleine Cosman1
- Mahdī ibn Muṣṭafá al-Ḥusaynī1
- Malachia Ormanian1
- Manūchihr Nukhastīn Āṣaf Qājār1
- Margaret Barclay Wilson1
- Markus Fugger1
- Mary Augusta Strachey1
- Maximilian Henry of Bavaria1
- Mayer Sulzberger2
- Mazliah Finzi1
- Maḥmūd bin Nāṣir1
- Michel Chasles1
- Michele Amari1
- Mobed Framji Fardunji Madan1
- Mobed Hormazdyar Mobed Khodabaksh1
- Mohammed bin Hamed bu Osman1