Former Owner
- Otto Jahn1
- Otto Orren Fisher1
- P. Desq1
- Paland, Irmengarde von1
- Paolo Giovio1
- Philip Augustus Hanrott1
- Philip Hurd1
- Philip Kerr, 11th Marquess of Lothian1
- Philippe Hurault de Cheverny1
- Phyllis Walter Goodhart Gordan1
- Pierre Gélis-Didot1
- Pietro Antonio Crevenna1
- Pietro Giuseppe Ignati Mattei Cattochii1
- Prince Augustus Frederick, Duke of Sussex1
- Prince Sadruddin Aga Khan1
- Prosper Blanchemain1
- Qāsim al-Īrawānī1
- Raoul Léonor Lignerolles1
- Raphael King1
- Reuschenberg, Margreta von1