Former Owner
- Nathaniel Sherman Bouton1
- Novalesa Abbey1
- Oliver Henry Perkins1
- Otto Ege1
- Paolino Gianfilippi1
- Paul de Berthou1
- Pietro Antonio Crevenna1
- Pietro Antonio Maffei1
- Pietro Canal1
- Raoul Chandon de Briailles1
- Raymond Berriot1
- Reginald Cholmondeley1
- Richard Heber1
- Robert Williams1
- Royal Library of Belgium1
- Rushton Mather Dorman1
- Saint Michael's Church, Ghent1
- Samuel Dennis1
- Santa Caterina1
- Seymour de Ricci1