Former Owner
- Richard Gough2
- Robert Forrer2
- Rosamond B. Loring2
- Ross Winans2
- Rush Hawkins2
- Rushton Mather Dorman2
- Samuel Claggett Chew2
- Samuel David Luzzatto2
- Samuel Whitaker Pennypacker2
- San Giorgio Monastery2
- San Pietro Apostolo2
- San Sisto, Piacenza2
- Sandbergs Bokhandel2
- Seitenstetten Abbey2
- Seymour Stocker Kirkup2
- Silas W. Howland2
- Simhah Pinsker2
- Sir Anthony Cope, 13th Baronet2
- Sir Edward Dering, 1st Baronet2
- Sir Gregory Osborne Page-Turner, 4th Bt.2