Former Owner
- Raghunatha Bhatta Goswami1
- Raghunātha Kāgalakara1
- Ralph Ewart Ford1
- Rama Deva1
- Ramsau Monastery1
- Raoul Chandon de Briailles1
- Raphael Nathan Nata Rabinowitz1
- Rashīdī, Ibrāhīm1
- Reginald Harvey Griffith1
- Reiss & Son1
- Reuschenberg, Margreta von1
- Richard Ashurst Bowie1
- Richard James Horatio Gottheil1
- Richard Linenthal1
- Richard McKeon1
- Richard Priestley1
- Richarde H Ffrancis, fl. ca. 16th c.1
- Robert B. Honeyman1
- Robert Benson, fl. Ca, 18th c.1
- Robert Churchill1