Former Owner
- Saluti, Tomasso, active 20th century1
- Sandbergs Bokhandel1
- Sebastienne Boscher1
- Simon Gratz1
- Sir Godfrey Webster1
- Sir Henry St John-Mildmay, 4th Baronet1
- Sir John Peachey1
- Sir John Thorold, 10th Baronet1
- Sir William Henry Ingilby, 4th Bt.1
- Sister Lysebet van Karnehe1
- Stephen Butler Rare Books & Manuscripts1
- Susan Minns1
- Sydney Cockerell1
- T. Royer1
- T. Whitcombe Greene1
- T.L. Hartung1
- That Guy with the Books1
- Theodore Newton Vail1
- Theodore Williams1
- Thomas Gage1