Former Owner
- Robert B. Honeyman1
- Robert Brodhead Honeyman1
- Sam Fogg Rare Books & Manuscripts1
- Samuel Allan1
- Samuel David Luzzatto1
- San Michele in Isola1
- Santa Caterina1
- Santa Maria Nuova1
- Sidney Graves Hamilton1
- Sigurd Wandel1
- Sion Segre Amar1
- Solomon Hirschell1
- Solomon Pottesman1
- Thomas G. Bergin1
- Thomas Gibson-Carmichael, 1st Baron Carmichael1
- Thomas Syddell1
- Thomas Thorpe1
- Victor Christ1
- Vincenzo Paolino Missinisi1
- Walter Ashburner1