Former Owner
- Monsieur de Bel Air1
- Morot1
- Morton Davis Mitchell1
- Mrs. F. W. Bartlett1
- Muriel Agnes Fry1
- Museo Cavaleri1
- Nicholas Chevalier1
- Nicolas Rauch1
- Notre-Dame monastery (Ambert, France)1
- Oliver Henry Perkins1
- Oliver R. Barrett1
- Omaha Public Library1
- Otto Vollbehr1
- Owen D. Young1
- P. Desq1
- P. Pigeot1
- Parroco di Taviano, Luigi Bruno, active 20th century1
- Paul Gottschalk1
- Paul Gruel1
- Paul Sabatier1