- Responsa2
- Saints2
- San Marziano (Monastery : Tortona, Italy)2
- San Miniato, Bartolomeo di2
- San Miniato, Francesco di2
- San Miniato, Simone di2
- Santa Trinità di Spineto (Monastery : Sarteano, Italy)2
- Sermons2
- Sharāʼiʻ al-Islām (Muḥaqqiq al-Ḥillī, Jaʻfar ibn al-Ḥasan)2
- Shāmil, Imām, 1798?-18712
- Spain--Castile2
- Spain--Navarre2
- Spain--Valladolid2
- Sufism--Doctrines2
- Syria2
- Syria--Damascus2
- Tadhkirah fī ʻilm al-hayʼah (Ṭūsī, Naṣīr al-Dīn Muḥammad ibn Muḥammad)2
- Tajrīd al-iʻtiqād (Ṭūsī, Naṣīr al-Dīn Muḥammad ibn Muḥammad)2
- Terminology2
- Travel2