Former Owner
- Muriel Agnes Fry1
- N. Pauli1
- Nicolas Rauch1
- Nicolas Yemeniz1
- Nicolaus Pol1
- Otto Ege1
- Paul Gottschalk1
- Paul Sabatier1
- Petrus Hofstede1
- Philadelphia Rare Books & Manuscripts Company1
- Philip C. Duschnes Rare Books & First Editions1
- Philip van Alfen1
- Quinton Edward Gurney1
- Québriac family1
- R. Stora and Company1
- Ramsau Monastery1
- Robert Forrer1
- Robert Hoe III1
- Robert Lyle1
- Robert Williams1