Former Owner
- Sir William Henry Ingilby, 4th Bt.1
- Sister Lysebet van Karnehe1
- Sokol Books Ltd.1
- Staatliche Museen zu Berlin1
- Stella Kramrish1
- Stella, Giovanni Pietro, 16th century1
- Stephen Butler Rare Books & Manuscripts1
- Susan B. Minns4
- Susan Minns1
- Swarthmore College2
- Sydney Cockerell17
- Sydney Edward Lucas3
- T. Royer1
- T. Whitcombe Greene1
- T.L. Hartung1
- Tammaro De Marinis1
- Taschen von I. Kossel. R.1
- That Guy with the Books1
- Theodore Newton Vail1
- Theodore William John Wylie1