Former Owner
- Santa Maria Nuova1
- Santa Maria delle Grazie Church1
- Santa Maria di Rosate1
- Santa María de la Oliva1
- Sather, Eugene E. (Eugene Earl), 1924-19861
- Sayn Abbey1
- Saʻīd Danūkh1
- Schenck'sche Fide-Kommiss-Bibliothek1
- Scott Gwara1
- Scroop Egerton, 1st Duke of Bridgewater1
- Sebastienne Boscher1
- Seitenstetten Abbey2
- Sewell Thomas1
- Seymour Stocker Kirkup2
- Seʻadyah ben Yehudah Altsaʻadi1
- Sharīf Khān1
- Sidney Graves Hamilton1
- Sigmund Ortel1
- Sigurd Wandel9
- Silas W. Howland2