Former Owner
- Monteles, Yosef de1
- Monē tou Timiou Prodromou1
- Moor of Ireton1
- Morell Thurston1
- Moritz Dessauer1
- Moritz Joseph Johann von Dietrichstein1
- Morot1
- Morris Harold Saffron1
- Morris Jastrow, Jr.1
- Mortimer Frank1
- Mortimer Loeb Schiff1
- Morton Davis Mitchell1
- Morton Parker Eden1
- Mount Zion Abbey1
- Moḍaka, Vināyaka1
- Mr. Hals1
- Mrs. E.J. Hooper1
- Mrs. F. W. Bartlett1
- Mrs. Turnbull1
- Muhammed Ali Khan Wallajah1