Former Owner
- Orlandus de Fatiis1
- Paolo Guerrini1
- Paolo Vimercati Sozzi1
- Paul III1
- Paul Joseph Sachs1
- Pazzi family1
- Petrus Molitor1
- Philippe Desportes1
- Pietro Bembo1
- Preston A. Perry1
- Pugliese1
- R. F. Pain1
- R. H. Fenn1
- Rafael Floranes1
- Ramón de Mesonero Romanos1
- Richard Ashurst Bowie1
- Richard Bennett1
- Robert Branthwait1
- Robert Charles Winthrop1
- Robert Wheeler Willson1