- Sacraments (Liturgy)1
- Sacred music texts1
- Saint-Victor (Abbey : Paris, France)1
- Saints musulmans--Biographies--Ouvrages avant 18001
- Sakhāwī, ʻAlī ibn Muḥammad, 1163?-1245. ʻUmdat al-mujīd fī al-naẓm wa-al-tajwīd1
- Salat1
- Salutati, Coluccio, 1331-14061
- Salve Regina (Music)1
- Samarqandī, Muḥammad ibn Ashraf, active 13th century. Risālah fī ādāb al-baḥth1
- Samarqandī, Muḥammad ibn Yūsuf, d. 1160 or 61. Multaqaṭ1
- Sanctus (Music)1
- Satire, Greek1
- Satire, Latin1
- Satirical literature1
- Savonarola, Girolamo, 1452-14981
- Saʻdī, ʻAbd al-Qādir ibn Abī al-Qāsim, d. 1475. Rafʻ al-sutūr wa-al-arāʼik ʻan mukhabbaʼāt Awḍaḥ al-masālik1
- Science, Medieval1
- Scotland1
- Scriptum super IV libros Sententiarum (Thomas, Aquinas, Saint)1
- Scyld (Legendary character)1