Former Owner
- Marie-François Duchesne de Beaumanoir1
- Marilyn Carbonell1
- Marion Lawrence1
- Marvin-L. Colker1
- Mary Elizabeth Holte1
- Mary Schell Collins1
- Mary W. T. Dickinson1
- Matteo Luigi Canonici1
- Michael Greenberg1
- Michael Tomkinson1
- Michel Chasles1
- Michel Guibé1
- Miha'el Hayyim ben Yosef bar Ya'akov1
- Moissac Abbey1
- Morot1
- New York Academy of Medicine1
- Nicholas Chevalier1
- Nicholas Herry1
- Nicolas Rauch1
- Norman H. Strouse1