Former Owner
- Phillip J. Pirages Fine Books & Manuscripts15
- Pierre Gélis-Didot1
- Pierre Picard le Jeune1
- Pius XI1
- Prince Augustus Frederick, Duke of Sussex2
- Québriac family1
- R. A. Godwin-Austen1
- Raoul Léonor Lignerolles1
- Rendell1
- René Antoine Thoué1
- Rev. Frederick Collins Wilson1
- Ricardo, Conde de Benahavis Heredia1
- Richard Bennett1
- Richard Blount1
- Richard Linenthal1
- Robert Charles Winthrop1
- Robert H. Sayre1
- Robert Hoe III37
- Robert Lehman2
- Robert Williams1