Former Owner
- San Sebastiano, Verona1
- San Sisto, Piacenza2
- Sandbergs Bokhandel2
- Santa Grata inter vites1
- Sarah Dauphinais1
- Schenck'sche Fide-Kommiss-Bibliothek1
- Sir John Lawson, 2nd Bt.1
- Sir John Thorold, 10th Baronet1
- Sir Thomas Brooke, 1st Baronet1
- Sir William Henry Ingilby, 4th Bt.1
- Sir William Stirling-Maxwell, 9th Baronet1
- Sokol Books Ltd.1
- St. Mary's College1
- Stuart Rose1
- Sydney Cockerell5
- Sydney Edward Lucas3
- Thomas Appleby1
- Thomas Bateman2
- Thomas Edwards1
- Thomas F. Richardson2