- Science, Ancient1
- Sefer zemanim (Maimonides, Moses)1
- Sententiarum libri IV (Peter Lombard, Bishop of Paris)1
- Sermons, German1
- Service books (Music)--Catholic Church1
- Sexual ethics--Religious aspects1
- Sharḥ Shamsīyah (Quṭb al-Taḥtānī, Muḥammad ibn Muḥammad)1
- Shavuot--Liturgy1
- Shaybānī, Muḥammad ibn al-ḥasan, approximately 750-804 or 805. Jāmiʻ al-ṣaghīr1
- Shofar1
- Shāmil, Imām, 1798?-18711
- Shīʻah--Doctrines1
- Solar eclipses1
- Spain--Andalusia1
- Spain--Ecija1
- Speculum historiale1
- Stamps1
- Statutes1
- Sufi poetry, Persian1
- Sufis1