Former Owner
- Mary Schell Collins1
- Mary, Queen of Scots1
- Monsieur de Bel Air1
- Mr. Hals1
- Nathaniel Dunbar1
- Octave Chavaillor1
- Otto Schäfer1
- Paul Sabatier1
- Paul Viollet1
- Peter Le Neve1
- Petrus Giraud1
- Petrus Hofstede1
- Philadelphia Rare Books & Manuscripts Company1
- Philip III the Good1
- Philippe de Béthune1
- Pierre Picard le Jeune1
- Pius XI1
- Prieuré Saint-Louis de Poissy1
- Prince Augustus Frederick, Duke of Sussex1
- Prosper Blanchemain1