Former Owner
- Mary Augusta Strachey1
- Maurilio Morazio1
- Mayer Sulzberger1
- Mohamed. Makiya1
- Nathaniel Dunbar1
- Neustift Abbey1
- Nicholas Bacon1
- Nicolas Antoine Labbey de Billy1
- Norman Winestine1
- Novalesa Abbey1
- Oliver R. Barrett1
- Paul Grinke1
- Paul Sabatier1
- Peter Ludwig1
- Pettini Libraria di Antonio Pettini1
- Philip Kerr, 11th Marquess of Lothian1
- Piero Ginori Conti1
- Pietro Bembo1
- Pietro Civaleri1
- Ramón de Mesonero Romanos1