Former Owner
- Paul Durrieux1
- Paul Joseph Sachs1
- Paul Louis Feiss1
- Paul de Berthou1
- Payne and Foss1
- Pazzi family1
- Pedro García de Montoya1
- Peter Arrell Brown Widener1
- Peter Christos1
- Peter Ludwig1
- Petrus Hofstede1
- Petrus Jensenius1
- Petrus Joseph Puccius1
- Petrus Molitor1
- Petrus Ysermans1
- Petrus de Thureyo1
- Pettini Libraria di Antonio Pettini1
- Philadelphia Museum of Art1
- Philadelphia Rare Books & Manuscripts Company1
- Philip Augustus Hanrott1