Former Owner
- Rush Hawkins1
- Rushton Mather Dorman2
- Ruth Cheney Streeter1
- Ruth E. Adomeit2
- Ruth Fowler Jarvis3
- Sabin1
- Saeed Nafisi1
- Saint Michael's Church, Ghent1
- Saint Mihiel Abbey1
- Saluti, Tomasso, active 20th century1
- Sam Fogg Rare Books & Manuscripts1
- Samuel Allen3
- Samuel Butler1
- Samuel Claggett Chew1
- Samuel David Luzzatto1
- Samuel Dennis1
- Samuel Eliot1
- Samuel H. Putnam1
- Samuel P. Avery Jr.1
- Samuel Pegge1