Former Owner
- Monsieur de Bel Air1
- N. Pauli1
- Nicholas B. Scheetz1
- Norman H. Strouse1
- Otto Ege1
- Parroco di Taviano, Luigi Bruno, active 20th century1
- Peter Le Neve1
- Petrus Hofstede1
- Philadelphia Rare Books & Manuscripts Company1
- Philip Hofer1
- Phillip J. Pirages Fine Books & Manuscripts1
- Québriac family1
- Robert Williams1
- Rudolf Busch1
- Rush Hawkins1
- Saluti, Tomasso, active 20th century1
- Samuel Dennis1
- Sandbergs Bokhandel1
- St. Mary's College1
- Stephen Butler Rare Books & Manuscripts1