Former Owner
- Raphael Nathan Nata Rabinowitz1
- Rashīdī, Ibrāhīm1
- Raymond Oliver1
- Reuschenberg, Margreta von1
- Richard Halter1
- Richard James Horatio Gottheil1
- Richard McKeon1
- Richard Rich1
- Robert Churchill1
- Robert Dallas1
- Robert Dechert1
- Robert Lenkiewicz1
- Robert Neville1
- Robert Samuel Turner1
- Robert de Mol1
- Rudolphus Rasser Donatus1
- S. Ereilter1
- Saeed Nafisi1
- Samuel Allan1
- Samuel William Ogg, Major-General1