Former Owner
- Marcel Mirgodin1
- Martin Schøyen3
- Marvin-L. Colker1
- Mary Lacaita2
- Michael Greenberg1
- Michael Kantakouzenos Şeytanoğlu1
- Monastery of Benevívere1
- Monastery of San Bartolmeo, Arezzo, Tuscany1
- Nasir al-Din al-Tusi1
- Nathaniel Castleton Stephen Poyntz1
- Nathaniel G. Snelling1
- Neuwerk Nunnery1
- Nicholas Bacon2
- Nur al-Din Arslan Shah I1
- Otto Ege8
- P. J. De Mat1
- Paolo Giovio2
- Paolo Vimercati Sozzi1
- Pascal Gay1
- Paul Riant4