Former Owner
- Nathan Brown2
- Nathaniel Dunbar1
- Neustift Abbey1
- Nicholas Bacon1
- Nicolas Antoine Labbey de Billy1
- Norman Winestine1
- Norza, Leon1
- Novalesa Abbey1
- Oliver R. Barrett1
- Otto Ege2
- Paolo Giovio2
- Paul Grinke1
- Paul Riant14
- Paul Sabatier1
- Peter Ludwig2
- Pettini Libraria di Antonio Pettini1
- Philip Kerr, 11th Marquess of Lothian1
- Phyllis Walter Goodhart Gordan4
- Piero Ginori Conti3
- Pierre Tassel1