Former Owner
- Nettie Goldsmith Naumburg1
- Neustift Abbey1
- New York Academy of Medicine1
- Nicolas Antoine Labbey de Billy1
- Notre-Dame monastery (Ambert, France)1
- Oliver Henry Perkins1
- Oliver R. Barrett1
- Omaha Public Library1
- Otto Jahn1
- Otto Orren Fisher1
- Peter Ludwig1
- Philip Hurd1
- Philip Kerr, 11th Marquess of Lothian1
- Philip of the Palatinate1
- Philippe Hurault de Cheverny1
- Phoebe Hearst1
- Phyllis Walter Goodhart Gordan1
- Piero Ginori Conti1
- Pierre Gélis-Didot1
- Pietro Antonio Crevenna1