Former Owner
- Poor Clares1
- Quinton Edward Gurney1
- Québriac family1
- Renzo Rizzi libri antichi1
- Richard Priestley1
- Robert Forrer1
- Robert Hoe III1
- Robert Lyle1
- Robert de Hangest1
- Rush Hawkins1
- Saint-Amand Abbey1
- Saluti, Tomasso, active 20th century1
- Samuel Petit1
- San Barnaba Church1
- San Cristoforo alla Certosa (Church : Ferrara, Italy)1
- San Francesco1
- Sion Segre Amar1
- Sokol Books Ltd.1
- Sonnyng, John1
- Sonnyng, William1