Former Owner
- Richard McKeon1
- Richard Nykke1
- Rinaldo Ridolfini1
- Robert Fyncham1
- Robert Neville1
- Robert Ranshaw1
- Robert Williams1
- Robert de Mol1
- Ross Winans1
- Rowland G. Hazard1
- Rugby School1
- Rushton Mather Dorman1
- S. Ereilter1
- Saint Michael's Church, Ghent1
- Sam Fogg Rare Books & Manuscripts1
- Samuel Allan1
- Samuel Dennis1
- Samuel H. Putnam1
- Samuel Putnam Avery1
- San Francesco1