Former Owner
- Robert Charles Winthrop1
- Robert Forrer1
- Robert Williams1
- Robert de Mol1
- Rolls1
- Rush Hawkins1
- Rushton Mather Dorman1
- S. Ereilter1
- Sabina Sopheija Behren1
- Saint Michael's Church, Ghent1
- Saint-Riquier1
- Sam Fogg Rare Books & Manuscripts1
- Samuel Dennis1
- Samuel Eliot1
- San Cristoforo alla Certosa (Church : Ferrara, Italy)1
- San Sebastiano, Verona1
- Santa Grata inter vites1
- Sarah Dauphinais1
- Schenck'sche Fide-Kommiss-Bibliothek1
- Sigmund Ortel1