Former Owner
- Marguerite de Fontenay1
- Marie Ange-Toussaint Placide de Ferron1
- Mikhail Golitsyn1
- Monsieur de Bel Air1
- Owen D. Young1
- Paul Riant1
- Paul Sabatier1
- Paul Viollet1
- Peter Le Neve1
- Petrus Giraud1
- Petrus Hofstede1
- Philadelphia Rare Books & Manuscripts Company1
- Philip Kerr, 11th Marquess of Lothian1
- Pietro Antonio Crevenna1
- Pius XI1
- Quinton Edward Gurney1
- Québriac family1
- R. Stora and Company1
- Richard Graves1
- Richard Thomas Bateman1