Former Owner
- Sir John Lawson, 2nd Bt.1
- Sir John Thorold, 11th Baronet1
- Sir William Henry Ingilby, 4th Bt.1
- Sir William Stirling-Maxwell, 9th Baronet1
- Sokol Books Ltd.1
- Sonnyng, John1
- Sonnyng, William1
- Sotheby's1
- Sotheby, Wilkinson & Hodge1
- St. Emmeram's Abbey1
- St. Matthias' Abbey1
- St. Maximin's Abbey1
- St. Michael's Church1
- Stanley Morison1
- Stiftsbibliothek Kremsmünster1
- Sébastien de Rosmadec, marquis de Molac1
- T. Triphook1
- Tammaro De Marinis1
- Taschen von I. Kossel. R.1
- That Guy with the Books1