- Spain--Niebla1
- Spain--Pamplona1
- Spain--Sanlúcar de Barrameda1
- Spain--Segovia1
- Spain--Tarazona de Aragón1
- Spain--Zafra (Badajoz)1
- Spanish (culture or style)1
- Spanish language1
- Spiritual life--Christianity1
- State, The1
- Stuart, House of1
- Summa theologica (Thomas, Aquinas, Saint)1
- Switzerland1
- Syria1
- Syriac scripts1
- Talbot, Gilbert, Sir, of Grafton1
- Talkhīṣ Miftāḥ al-ʻulūm (Qazwīnī, Jalāl al-Dīn Muḥammad ibn ʻAbd al-Raḥmān)1
- Tarquinius Superbus, Lucius, King of Rome, active 534 B.C.-510 B.C.1
- Tasʹhīl al-fawāʼid wa-takmīl al-maqāṣid (Ibn Mālik, Muḥammad ibn ʻAbd Allāh)1
- Taxation1