- Rūmī, ʻAbd Allāh ibn ʻAbd Allāh, d. 15791
- Sabbath (Jewish law)1
- Sabbathaians1
- Sacred vocal music1
- Saints1
- Sakhāwī, Muḥammad ibn Muḥammad. Durrah al-bahīyah fī al-masāʼil al-fiqhīyah1
- Samarqandī, Abū al-Qāsim ibn Abī Bakr, 15th cent. Risālah al-Samarqandīyah1
- Samarqandī, Abū al-Qāsim ibn Abī Bakr, active 15th century. Risālah al-Samarqandīyah1
- Samarqandī, Muḥammad ibn Ashraf, 13th cent. Ashkāl al-taʼsīs1
- Samarqandī, Muḥammad ibn Ashraf, 13th cent. Risālah fī ādāb al-baḥth1
- Samarqandī, Muḥammad ibn Ashraf, active 13th century. Risālah fī ādāb al-baḥth1
- Sancho II, King of Castile and Leon, 1037 or 1038-10721
- Sancho IV, King of Castile and Leon, 1257-12951
- Sanskrit language1
- Sanskrit language--Verb1
- Sanūsī, Muḥammad ibn Yūsuf, approximately 1427-approximately 1490. Muqaddimah1
- Sanūsī, Muḥammad ibn Yūsuf, approximately 1427-approximately 1490. ʻAqīdah al-ṣughrá1
- Sarmiento, Pero. Sentencia-Estatuto1
- Satellites--Phases1
- Satire1