Former Owner
- Sam Fogg Rare Books & Manuscripts1
- Samuel Dennis1
- Samuel Whitaker Pennypacker1
- Sather, Eugene E. (Eugene Earl), 1924-19861
- Sebastienne Boscher1
- Sir John Peachey1
- St. Mary's College1
- Staatliche Museen zu Berlin1
- Stanley Morison1
- Susan Minns1
- Sydney Cockerell1
- T. Fownes1
- T. Royer1
- T. Whitcombe Greene1
- Theodore Newton Vail1
- Theodore Williams1
- Thomas Appleby1
- Thomas Bateman1
- Thomas Mildmay1
- Thomas Richardson1