Former Owner
- Millard Meiss1
- Milton Fischmann27
- Minerva Kaiser1
- Minnis, Katherine1
- Mistrie, Sita Ram, Pandit1
- Mitchell Starrett Buck1
- Mobed Framji Fardunji Madan1
- Mobed Hormazdyar Mobed Khodabaksh1
- Mohamed. Makiya2
- Mohammed bin Hamed bu Osman1
- Molin1
- Monasterio de El Paular1
- Monasterium sanctorum quadraginta martyrum (Treviso Italy)1
- Monastero di Santo Spirito in Verona1
- Monastery of Benevívere1
- Monastery of Saint Peter (Erfurt, Germany)1
- Monica Franklyn1
- Monsieur de Bel Air1
- Monteles, Avraham de1
- Monteles, Yosef de1