Former Owner
- Québriac family1
- R. J. Bunck1
- R. Stora and Company1
- Ramsau Monastery1
- Raymond Berriot1
- Reginald Cholmondeley1
- Renzo Rizzi libri antichi1
- Robert Forrer1
- Robert Williams1
- Robert de Hangest1
- Rowland Hazard1
- Royal Library of Belgium1
- Rudolf Busch1
- Rush Hawkins1
- Rushton Mather Dorman1
- Saint Michael's Church, Ghent1
- Saint-Amand Abbey1
- Saluti, Tomasso, active 20th century1
- Samuel Dennis1
- Samuel Petit1