- Spain--Burgos (Province)3
- Spain--Galicia (Region)3
- Spain--Madrid3
- Spain--Santiago de Compostela3
- Spain--Toledo3
- Spain--Zaragoza3
- Sufi literature3
- Sujāʻī, Aḥmad ibn Aḥmad, -1783? Jawāhir al-muntaẓimāt fi ʻUqūd al-maqūlāt3
- Summa theologica (Thomas, Aquinas, Saint)3
- Sundials3
- Sunna3
- Sunnites3
- Syria3
- Syriac bindings3
- Süleyman I, Sultan of the Turks, 1494 or 1495-15663
- Sāvitrī (Hindu deity)3
- Sīrat Rasūl Allāh (Ibn Hishām, ʻAbd al-Malik)3
- Taftāzānī, Masʻūd ibn ʻUmar, 1322-1389? Sharḥ al-mukhtaṣar3
- Tajrīd al-iʻtiqād (Ṭūsī, Naṣīr al-Dīn Muḥammad ibn Muḥammad)3
- Ten commandments3