Former Owner
- Poor Clares1
- Prince Augustus Frederick, Duke of Sussex1
- R. A. Godwin-Austen1
- Raoul Chandon de Briailles1
- Raoul Léonor Lignerolles1
- Raymond Oliver1
- Rendell1
- Rev. Frederick Collins Wilson1
- Richard Bennett1
- Rinaldo Ridolfini1
- Robert Lehman1
- Robert de Mol1
- Roderick Terry1
- Rodrigo de Abejos1
- Royal Monastery of Saint Mary of Guadalupe1
- Rudolf Busch1
- Rudolf Hofmeister1
- Rui Garcia1
- Ruth E. Adomeit1
- Sabina Sopheija Behren1