Former Owner
- Monastero di Santo Spirito in Verona1
- Monastery at San Gregorio al Celio1
- Monastery of Benevívere1
- Monastery of Our Lady of the Angels of Churubusco1
- Monastery of Saint Peter (Erfurt, Germany)1
- Monastery of San Bartolmeo, Arezzo, Tuscany1
- Monica Franklyn1
- Monsieur de Bel Air1
- Monteles, Avraham de1
- Monteles, Yosef de1
- Monē tou Timiou Prodromou1
- Moor of Ireton1
- Morell Thurston1
- Moritz Dessauer1
- Moritz Joseph Johann von Dietrichstein1
- Morot1
- Morris H. Morgan5
- Morris Harold Saffron1
- Morris Jastrow, Jr.19
- Mortimer Frank1