Former Owner
- Paul Riant1
- Paul de Berthou1
- Peter Ludwig1
- Petrus Giraud1
- Philip Kerr, 11th Marquess of Lothian1
- Pietro Antonio Maffei1
- Pius XI1
- Prediger (Schwäbisch Gmünd)1
- Prince Augustus Frederick, Duke of Sussex1
- R. J. Bunck1
- Raoul Chandon de Briailles1
- Reading Abbey2
- Ricardo Enrico de Wilde1
- Robert Garrett3
- Robert Hoe III1
- Robert Samuel Turner1
- Robert Williams1
- Robert de Mol1
- Rosamond B. Loring2
- Rushton Mather Dorman1