Former Owner
- Michael Wodhull1
- Michel Chasles1
- Michel de Léon1
- Michele Amari1
- Michiel family1
- Moritz Dessauer1
- Morris Jastrow, Jr.1
- Museo Cavaleri1
- Nettie Goldsmith Naumburg1
- Nicholai von Bodeck1
- Nicolai Briganti1
- Nicolas Fowle1
- Nicolaus de Monte Murro1
- Orlandus de Fatiis1
- Otto Orren Fisher1
- Pangracius Chrewczer1
- Paolo Giovio1
- Paul III1
- Paul Louis Feiss1
- Pazzi family1