Former Owner
- Stanley Slotkin1
- Stella Kramrish1
- Stephan Rosinus1
- Stephen Penny1
- Stiftsbibliothek Kremsmünster1
- Suleiman Alchorani1
- Süleyman Çelebi1
- Sāmaganārāyaṇabhaṭṭa1
- Sītārāma1
- Tammaro De Marinis1
- Taqī ibn ʻAlī al-Qummī1
- Theodore William John Wylie1
- Theodorico de Buckinstorff1
- Thomas Bernardinus Braccioli1
- Thomas Corser1
- Thomas Devynysh1
- Thomas G. Bergin1
- Thomas Gibson-Carmichael, 1st Baron Carmichael1
- Thomas Grenville1
- Thomas Posthumous Hoby1