Former Owner
- Monsieur de Bel Air1
- Muriel Agnes Fry1
- N. Pauli1
- Nathaniel Sherman Bouton1
- Nicholas B. Scheetz1
- Nicolas Rauch1
- Otto Ege1
- P. Pigeot1
- Paul Joseph Sachs1
- Paul Louis Feiss1
- Pedro García de Montoya1
- Petrus Hofstede1
- Petrus Molitor1
- Philadelphia Rare Books & Manuscripts Company1
- Philip C. Duschnes Rare Books & First Editions1
- Philip Hofer1
- Philip van Alfen1
- Philippe de Béthune1
- Phillip J. Pirages Fine Books & Manuscripts1
- Pietro Odescalchi1