Former Owner
- Morton Davis Mitchell1
- Mrs. F. W. Bartlett1
- Muriel Agnes Fry1
- Museo Cavaleri1
- N. Pauli1
- Nettie Goldsmith Naumburg1
- Nicholas B. Scheetz1
- Nicolas Rauch1
- Norman H. Strouse3
- Notre-Dame de Macourt monastery1
- Otto Ege5
- Otto Haas1
- Otto Orren Fisher1
- P. Pigeot1
- Paolo Vimercati Sozzi1
- Paul Joseph Sachs1
- Paul Louis Feiss1
- Paul Riant4
- Paul Sabatier1
- Pedro García de Montoya1