Former Owner
- Norman H. Strouse2
- Oliver Henry Perkins3
- Otto Ege16
- Paul Gottschalk1
- Peter Arrell Brown Widener1
- Peter Arrell Brown Widener II1
- Peter Le Neve1
- Petrus Giraud1
- Petrus Hofstede1
- Petrus Jensenius1
- Petrus Ysermans1
- Philip Hurd1
- Philip Kerr, 11th Marquess of Lothian1
- Philippe Hurault de Cheverny1
- Pierre Gélis-Didot1
- Pius XI1
- Reading Abbey1
- René Antoine Thoué1
- Robert Garrett3
- Robert H. Sayre1