Former Owner
- Robert Forrer2
- Ross Winans2
- Rush Hawkins2
- Rushton Mather Dorman2
- Sam Fogg Rare Books & Manuscripts2
- Samuel Allen2
- Samuel Claggett Chew2
- San Giorgio Monastery2
- San Pietro Apostolo2
- San Sisto, Piacenza2
- Sandbergs Bokhandel2
- Sir Anthony Cope, 13th Baronet2
- Sir Gregory Osborne Page-Turner, 4th Bt.2
- Sir John Arthur Brooke, 1st Bt.2
- St John Hornby2
- St. Maximin's Abbey2
- Susan Minns2
- Tammaro De Marinis2
- Theodore Williams2
- Thomas Martin2