- St. Jakob (Church : Regensburg, Germany)1
- State, The1
- Stefani, Nicola1
- Strozzi, Giovanni1
- Stuart, House of1
- Sufi poetry, Arabic1
- Summa theologica (Thomas, Aquinas, Saint)1
- Swimming1
- Switzerland--Basel-Landschaft (Canton)1
- Switzerland--Lucerne1
- Switzerland--Monthey1
- Symbolism of numbers1
- Syria--Damascus1
- Syriac language1
- Syriac language--Grammar1
- Syrian Orthodox Church1
- Süleyman I, Sultan of the Turks, 1494 or 1495-15661
- Tahdhīb al-manṭiq wa-al-kalām (Taftāzānī, Masʻūd ibn ʻUmar)1
- Tajrīd al-iʻtiqād (Ṭūsī, Naṣīr al-Dīn Muḥammad ibn Muḥammad)1
- Talbot, Gilbert, Sir, of Grafton1