Former Owner
- Owen D. Young1
- P. Desq1
- Paolo Giovio1
- Pauline Fore Moffitt1
- Perceval Lucas1
- Peter Ludwig1
- Philippe II de Croÿ1
- Phoebe Hearst1
- Pierleone Leoni1
- Piero Ginori Conti1
- Pierre Pithou1
- Pierre Tassel1
- 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