Former Owner
- Robert Fyncham1
- Robert Neville1
- Robert Ranshaw1
- Robert Stayner Holford1
- Robert Wyer1
- Robert de Mol1
- Rosamond B. Loring1
- Ross Winans1
- Rowland G. Hazard1
- Rugby School1
- S. Ereilter1
- Saint Michael's Church, Ghent1
- Sam Fogg Rare Books & Manuscripts1
- Samuel Dennis1
- Samuel Putnam Avery1
- San Francesco1
- San Giorgio Monastery1
- Santa Maria delle Grazie Church1
- Santa Maria di Rosate1
- Santa María de la Oliva1