Former Owner
- Richard Gough2
- Robert Forrer2
- Rosamond B. Loring2
- Ross Winans2
- Rudolf Busch2
- Rush Hawkins2
- Rushton Mather Dorman2
- Samuel Addington2
- Samuel Claggett Chew2
- Samuel Whitaker Pennypacker2
- San Giorgio Monastery2
- San Pietro Apostolo2
- San Sisto, Piacenza2
- Sandbergs Bokhandel2
- Seitenstetten Abbey2
- Simhah Pinsker2
- Sion Segre Amar2
- Sir Anthony Cope, 13th Baronet2
- Sir Gregory Osborne Page-Turner, 4th Bt.2
- Sir James Alleyn2