Former Owner
- Nettie Goldsmith Naumburg1
- Nicolas Moreau1
- Noël Pinelli1
- Oliver Henry Perkins1
- Oliver R. Barrett1
- Omaha Public Library1
- Otto Jahn1
- P. Desq1
- Paland, Irmengarde von1
- Paolo Giovio1
- Paul III1
- Peretz ben Yehuda Mintz Ashkenazi1
- Philip Hurd1
- Philip Kerr, 11th Marquess of Lothian1
- Philip of the Palatinate1
- Philippe Hurault de Cheverny1
- Philippe II de Croÿ1
- Phoebe Hearst1
- Phyllis Walter Goodhart Gordan1
- Pierre Gélis-Didot1