Former Owner
- Louis XII of France1
- Ludovico Settala1
- Luigi Clerici1
- Luigi Cora1
- Luigi Serra di Cassano1
- Luis Mayora1
- Luther Albertus Brewer1
- Lyon Cathedral1
- M. Favia del Core1
- M. Haimmiller1
- Madeleine Cosman1
- Magby, H1
- Mahdī ibn Muṣṭafá al-Ḥusaynī1
- Malachia Ormanian1
- Manoel S. Pinto1
- Manūchihr Nukhastīn Āṣaf Qājār1
- Manṣūr, Abū al-Faz̤l ibn Ghiyāth al-Dīn1
- Marc-René de Voyer d'Argenson1
- Margaret Barclay Wilson1
- Margaret of Croy1