Former Owner
- Petrus Ysermans1
- Petrus de Thureyo1
- Pettini Libraria di Antonio Pettini1
- Philadelphia Museum of Art1
- Philibert-Charles-Marie Varenne de Fenille1
- Philip Augustus Hanrott1
- Philip C. Duschnes Rare Books & First Editions1
- Philip Carteret Webb1
- Philip Hurd1
- Philip Jacob Grangier1
- Philip Robinson1
- Philip Sills1
- Philip of the Palatinate1
- Philippe Desportes1
- Philippe Hurault de Cheverny1
- Philippe de Béthune1
- Phoebe Hearst1
- Pierre Fraenkel1
- Pierre Gorman1
- Pierre Picard le Jeune1