- Salt mines and mining1
- Sancho Garcés I, King of Navarre, -9251
- Savelli, Troilo, -15921
- Scotland1
- Sententiarum libri IV (Peter Lombard, Bishop of Paris)1
- Shepherds in the Bible1
- Sonnets, Spanish1
- Spain--Aragon1
- Spain--Jerez de la Frontera1
- Spain--La Rioja1
- Spain--León (Province)1
- Spain--Majorca1
- Spain--Maqueda1
- Spain--Tarazona de Aragón1
- Spain--Toledo1
- Spain--Valencia1
- Spain--Zafra (Badajoz)1
- Spiritual life1
- Summa theologica (Thomas, Aquinas, Saint)1
- Talbot, Gilbert, Sir, of Grafton1