Former Owner
- Prince Augustus Frederick, Duke of Sussex1
- Québriac family1
- R. F. Pain1
- R. Stora and Company1
- Renzo Rizzi libri antichi1
- Richard Blount1
- Robert Charles Winthrop1
- Robert Forrer1
- Rolls1
- Rudolf Busch1
- Rush Hawkins1
- S. Ereilter1
- Saint-Riquier1
- Sam Fogg Rare Books & Manuscripts1
- Samuel Eliot1
- San Cristoforo alla Certosa (Church : Ferrara, Italy)1
- San Sebastiano, Verona1
- Santa Grata inter vites1
- Schenck'sche Fide-Kommiss-Bibliothek1
- Sir John Lawson, 2nd Bt.1