Former Owner
- Ross Winans1
- Rudolf Busch1
- Rush Hawkins1
- Rushton Mather Dorman1
- Ruth Cheney Streeter1
- Sabin1
- Saeed Nafisi1
- Saluti, Tomasso, active 20th century1
- Samuel Allen1
- Samuel Eliot1
- San Barnaba Church1
- San Cristoforo alla Certosa (Church : Ferrara, Italy)1
- Santa Maria delle Grazie Church1
- Sebastienne Boscher1
- Sir Godfrey Webster1
- Sir Henry St John-Mildmay, 4th Baronet1
- Sir John Thorold, 10th Baronet1
- Sir William Henry Ingilby, 4th Bt.1
- Staatliche Museen zu Berlin1
- Stephen Butler Rare Books & Manuscripts1