Former Owner
- Samuel Putnam Avery2
- San Sisto, Piacenza2
- Sandbergs Bokhandel2
- Seitenstetten Abbey2
- Silas W. Howland2
- Sir Thomas Brooke, 1st Baronet2
- Sir William Henry Ingilby, 4th Bt.2
- St. Andrew-on-Hudson2
- Stanley Morison2
- Thomas E. Marston2
- Thomas Rodd2
- Thomas de Grey, 2nd Earl de Grey2
- Walter Ashburner2
- Warren C. Crane2
- Wilfrid Voynich2
- William Betham2
- William Cecil, 1st Baron Burghley2
- William Gibbons Medlicott2
- William Horatio Crawford2
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