Former Owner
- Michaeliskonvent1
- Moritz Dessauer1
- Morot1
- Mrs. E.J. Hooper1
- Museo Cavaleri1
- Muḥammad Ṣābir1
- Nanna Corbinello1
- Nicholai von Bodeck1
- Nicolas Antoine Labbey de Billy1
- Nonnberg Abbey1
- Octave Chavaillor1
- Oliver R. Barrett1
- Otto Ege1
- P. Pigeot1
- Paolo Vimercati Sozzi1
- Paul Gottschalk1
- Paul Louis Feiss1
- Paul Riant1
- Petrus Jensenius1
- Petrus Leonardus1