Former Owner
- Pierre Pithou1
- Pierre Tassel1
- Pietro Girometti1
- Prince Augustus Frederick, Duke of Sussex1
- R. Tolentino1
- Raoul Chandon de Briailles1
- Raoul Léonor Lignerolles1
- Raymond Oliver1
- Robert Brodhead Honeyman1
- Robert Garrett1
- Roy G. Fitzgerald1
- Royal Monastery of Saint Mary of Guadalupe1
- Rudolf Busch1
- Samuel Putnam Avery1
- Santi Bonifacio e Alessio1
- Santi Giovanni e Paolo1
- Shabbetai1
- Silas W. Howland1
- Silvester Cattaneus1
- Sion Segre Amar1