Former Owner
- Sonnyng, William1
- Stiftsbibliothek Kremsmünster1
- Suleiman Alchorani1
- Sāmaganārāyaṇabhaṭṭa1
- Tammaro De Marinis1
- Taqī ibn ʻAlī al-Qummī1
- Theodorico de Buckinstorff1
- Thomas Corser1
- Thomas Devynysh1
- Thomas G. Bergin1
- Thomas Grenville1
- Thomas Rodd1
- Thomas Sharpe Powell1
- Thomas Syddell1
- Thomas Taylor1
- Thomas Tresham II1
- Thomas Wall1
- Thomas Woodward1
- Tollemache family1
- Turner Macan1