Former Owner
- Raoul Léonor Lignerolles1
- Raphael de Mediolano1
- Raul A. Villagran1
- Reiss & Son1
- Rendell1
- Renzo Rizzi libri antichi1
- René Antoine Thoué1
- René Henry1
- Rev. Frederick Collins Wilson1
- Rev. T. Barnes1
- Ricardo, Conde de Benahavis Heredia1
- Richard Ashurst Bowie1
- Richard Bennett3
- Richard Blount1
- Richard Farmer1
- Richard Griffith1
- Richard Heber13
- Richard Hooker1
- Richard Legh1
- Richard Linenthal2