Former Owner
- Parish Church of Waldhausen im Strudengau1
- Park Abbey1
- Pauline Fore Moffitt1
- Peterborough Central Library1
- Philip Carteret Webb1
- Philip III the Good1
- Philip Kerr, 11th Marquess of Lothian1
- Philippe de Béthune1
- Phoebe Hearst1
- Pietro Antonio Crevenna1
- Pietro Odescalchi1
- Pîrîzâde, Sayyid ʻAbd Allāh, Shaykh al-Islām1
- Qusṭanṭīn ibn Lūdūlf1
- Raoul Léonor Lignerolles1
- Reading Abbey1
- Ricardo, Conde de Benahavis Heredia1
- Richard Greene1
- Richard James Horatio Gottheil1
- Richard Mery of Hatfield1
- Richard Wroe1