Former Owner
- Rush Hawkins2
- Sam Fogg Rare Books & Manuscripts2
- Samuel Claggett Chew2
- Samuel Whitaker Pennypacker2
- San Giorgio Monastery2
- San Sisto, Piacenza2
- Sandbergs Bokhandel2
- Seitenstetten Abbey2
- Seymour Stocker Kirkup2
- Sion Segre Amar2
- Sir Anthony Cope, 13th Baronet2
- Sir Gregory Osborne Page-Turner, 4th Bt.2
- Sir James Alleyn2
- Sir John Arthur Brooke, 1st Bt.2
- Sir Richard Ellys, 3rd Baronet2
- Sotheby's2
- St. Emmeram's Abbey2
- St. Maximin's Abbey2
- Stanley Slotkin2
- Stevens Henry Newton2