Former Owner
- Sister Marghareta van den Spegher1
- Skinner Poulin1
- Sonnyng, John1
- Sonnyng, William1
- Stiftsbibliothek Kremsmünster1
- Suleiman Alchorani1
- Swarthmore College1
- Sāmaganārāyaṇabhaṭṭa1
- Tammaro De Marinis1
- Taqī ibn ʻAlī al-Qummī1
- Theodore William John Wylie1
- Theodorico de Buckinstorff1
- Thomas Corser1
- Thomas Devynysh1
- Thomas G. Bergin1
- Thomas Grenville1
- Thomas Rodd1
- Thomas Sharpe Powell1
- Thomas Syddell1
- Thomas Taylor1