Former Owner
- Milt Freudenheim1
- Moissac Abbey1
- Monasterio de El Paular1
- Nathan Comfort Starr1
- Nathaniel Dunbar1
- Nathaniel Sherman Bouton1
- Nicholas Bacon1
- Novalesa Abbey1
- Oliver Henry Perkins1
- Otto Vollbehr1
- Paolino Gianfilippi1
- Parish Church of Waldhausen im Strudengau1
- Park Abbey1
- Peter Ludwig1
- Peterborough Central Library1
- Philip Carteret Webb1
- Philip Kerr, 11th Marquess of Lothian1
- Philippe de Béthune1
- Phoebe Hearst1
- Piero Ginori Conti1