Former Owner
- Poblet Monastery1
- Poor Clares1
- Prospero Caffarelli1
- Pugliese1
- Québriac family1
- R. A. Godwin-Austen1
- R. H. Fenn1
- R. Stora and Company1
- Raoul Léonor Lignerolles1
- Renzo Rizzi libri antichi1
- René Antoine Thoué1
- Rev. Frederick Collins Wilson1
- Ricardo, Conde de Benahavis Heredia1
- Richard Bennett1
- Richard Heber1
- Richard Priestley1
- Richard Sackville1
- Robert Branthwait1
- Robert H. Sayre1
- Robert Lyle1