Former Owner
- Philip C. Duschnes2
- Philip Milburn1
- Philippe Desportes1
- Phillip J. Pirages Fine Books & Manuscripts4
- Pietro Antonio Crevenna1
- Pius XI1
- Prieuré Saint-Louis de Poissy1
- Prince Augustus Frederick, Duke of Sussex3
- Purchased ca. 2000 from a book dealer.1
- Quinton Edward Gurney1
- Ralph Thoresby1
- Renzo Rizzi libri antichi1
- Richard Graves1
- Richard Heber2
- Richard Legh1
- Richard Maria Domville1
- Richard Thomas Bateman1
- Richard Wroe1
- Robert Brodhead Honeyman2
- Robert Davies1