Former Owner
- Saʻīd Danūkh1
- Saʻīd ibn al-Shaykh Aḥmad1
- Schwohe, Johann Christian1
- Sebastiano Calvi1
- Selim II1
- Seʻadyah ben Yehudah Altsaʻadi1
- Sharīf Khān1
- Simon Digby1
- Sir Isaac Goldsmid, 1st Baronet1
- Skinner Poulin1
- Sorabji Framji Madan1
- Stephan Rosinus1
- Stiftsbibliothek Kremsmünster1
- Süleyman Çelebi1
- Tammaro De Marinis1
- Taqī ibn ʻAlī al-Qummī1
- Thomas Bateman1
- Thomas G. Bergin1
- Thomas Grenville1
- Thomas Syddell1