Former Owner
- Sir Thomas Brooke, 1st Baronet1
- Sokol Books Ltd.1
- Sonnyng, John1
- Sonnyng, William1
- St Albans Abbey1
- St. Mary's College1
- St. Matthias' Abbey1
- St. Viktor1
- Staatliche Museen zu Berlin1
- Stanley Morison1
- Stift Hamersleben1
- That Guy with the Books1
- Thomas Bateman1
- Thomas E. Marston1
- Thomas Eyre1
- Thomas F. Richardson1
- Thomas Mildmay1
- Thomas Sowthen1
- Thomas Wall1
- Thomas Woodward1