- Symbolism1
- Symmachus, Quintus Aurelius, approximately 340-4021
- Symptoms1
- Syriac language1
- Table etiquette1
- Tables1
- Tacitus, Cornelius1
- Taxation1
- Te Deum laudamus (Music)1
- Teleology1
- Tempio francescano di S. Lorenzo (Vicenza, Italy)1
- Ten commandments1
- Tenth century1
- Teodósio, Prince of Portugal, 1634-16531
- Theological anthropology--Christianity1
- Theology, Doctrinal--Catholic authors1
- Theology, Practical1
- Theology--Early church1
- Third Order Regular of St. Francis1
- Thomas, Aquinas, Saint, 1225?-12741