Former Owner
- Maggs Bros Ltd1
- Marco da Bologna1
- Marvin-L. Colker1
- Meschatin La Faye family1
- Mikhail Golitsyn1
- Muḥammad al-Raʼīs1
- Muḥammad ʻAbd al-Ḥayy ibn ʻAbd al-Kabīr al-Kinānī al-Ḥasanī1
- Muḥammad Ṣābir1
- Otto Vollbehr1
- Paul Riant1
- Pius XI1
- Ralph Thoresby1
- Richard Heber1
- Richard Wroe1
- Robert Brodhead Honeyman1
- Robert Davies1
- Robert Hoe III1
- Royaumont Abbey1
- Samuel Whitaker Pennypacker1
- Silas W. Howland1