Former Owner
- Philip C. Duschnes1
- Philip C. Duschnes Rare Books & First Editions1
- Philip Hofer1
- Pierre Pithou1
- Québriac family1
- R. Stora and Company1
- Ramsau Monastery1
- Raoul Chandon de Briailles1
- Renzo Rizzi libri antichi1
- Robert Forrer1
- Robert de Hangest1
- Rudolf Busch1
- Rush Hawkins1
- Saint-Amand Abbey1
- Saluti, Tomasso, active 20th century1
- Samuel Petit1
- San Barnaba Church1
- San Cristoforo alla Certosa (Church : Ferrara, Italy)1
- San Francesco1
- Sokol Books Ltd.1