Former Owner
- Reading Abbey1
- René Antoine Thoué1
- Robert Garrett3
- Robert H. Sayre1
- Robert Hoe III6
- Robert Williams1
- Rushton Mather Dorman1
- Ruth Cheney Streeter1
- Sabin1
- Saint Michael's Church, Ghent1
- Sam Fogg Rare Books & Manuscripts1
- Samuel Dennis1
- Samuel Whitaker Pennypacker1
- Sather, Eugene E. (Eugene Earl), 1924-19861
- Sebastienne Boscher1
- Seʻadyah ben Hilel ha-Leṿi1
- Sigmund Ortel1
- Simon Gratz2
- Sir John Peachey1
- Sister Lysebet van Karnehe1