Former Owner
- Madyan Qusuni1
- Malachia Ormanian1
- Mario Maffei1
- Martin Breslauer1
- Martin Schøyen1
- Muḥammad Ṣadr al-Dīn1
- Nicolas Antoine Labbey de Billy1
- Oliver R. Barrett1
- Paul Sabatier1
- Peter Ludwig1
- Pettini Libraria di Antonio Pettini1
- Philip Kerr, 11th Marquess of Lothian1
- Piero Ginori Conti1
- Pietro Antonio Maffei1
- Pietro Bembo1
- Pietro Civaleri1
- Ramón de Mesonero Romanos1
- René Henry1
- Richard Nykke1
- Richard Priestley1