Former Owner
- Naftali Tsvi ben Faibel Shliṭas1
- Nicholas B. Scheetz1
- Nūr al-Dīn Darvīsh1
- Ohio State University School of Music1
- Otto Vollbehr1
- ParvaṇIkara Govindabhaṭṭaputra1
- Perceval Lucas1
- Peter Eaton2
- Peter Le Neve1
- Prince Sadruddin Aga Khan1
- R. Tolentino1
- Ralph Ewart Ford1
- Reginald Harvey Griffith1
- Richard James Horatio Gottheil1
- Robert Hoe III1
- Robert Oppenheim1
- Rāma Śarmmaṇ1
- Sam Schaefler1
- Samuel Putnam Avery1
- Simon Digby1