Former Owner
- Nicolas Rauch1
- Norman H. Strouse1
- Notre-Dame de Macourt monastery1
- P. Pigeot1
- Petrus Hofstede1
- Philadelphia Rare Books & Manuscripts Company1
- Philip C. Duschnes1
- Philip C. Duschnes Rare Books & First Editions1
- Philip Hofer1
- Philippe de Béthune1
- Phillip J. Pirages Fine Books & Manuscripts1
- Québriac family1
- R. A. Godwin-Austen1
- R. Stora and Company1
- Ricardo, Conde de Benahavis Heredia1
- Robert Lehman1
- Saint-Riquier1
- Sandbergs Bokhandel1
- Sir John Thorold, 10th Baronet1
- St. Mary's College1