Former Owner
- Mrs. F. W. Bartlett1
- Muriel Agnes Fry1
- N. Pauli1
- Nicolas Rauch1
- Notre-Dame de Macourt monastery1
- Paul Sabatier1
- Peter Le Neve1
- Petrus Hofstede1
- Philadelphia Rare Books & Manuscripts Company1
- Philip C. Duschnes1
- Philip C. Duschnes Rare Books & First Editions1
- Philip van Alfen1
- Phillip J. Pirages Fine Books & Manuscripts1
- Québriac family1
- Renzo Rizzi libri antichi1
- Robert Forrer1
- Robert Hoe III1
- Robert Williams1
- Robert de Hangest1
- Rush Hawkins1