- Spanish (culture or style)1
- Sparano, Matteo1
- Spedale di Santa Maria Annunziata (San Miniato, Italy)1
- Speziale, Giovanni1
- Spinelli, Pietro1
- Spiritual life--Christianity1
- Squillace, Sigismondo1
- Stamps1
- State, The1
- Stefani, Nicola1
- Stuart, House of1
- Sufis1
- Switzerland--Basel-Landschaft (Canton)1
- Switzerland--Lucerne1
- Switzerland--Zurich (Canton)1
- Süleyman I, Sultan of the Turks, 1494 or 1495-15661
- Tacketed bindings1
- Talbot, Gilbert, Sir, of Grafton1
- Tasʹhīl al-fawāʼid wa-takmīl al-maqāṣid (Ibn Mālik, Muḥammad ibn ʻAbd Allāh)1
- Tatars1