Former Owner
- Richard McKeon1
- Rinaldo Ridolfini1
- Robert Hoe III1
- Robert Neville1
- Robert Ranshaw1
- Robert Samuel Turner1
- Robert de Mol1
- Rowland Hazard1
- Rudolphus Rasser Donatus1
- S. Ereilter1
- Samuel Allan1
- Samuel H. Putnam1
- San Pietro Apostolo1
- Santander San Juan, Simon de, -17911
- Santi Giovanni e Paolo1
- Schøyen Collection1
- Sebastiano Calvi1
- Sigurd Wandel1
- Silvester Cattaneus1
- Sion Segre Amar1