Books in Christianity (sorted alphabetically)
- Sermons on Evil-Speaking Isaac Barrow
- Sermons on National Subjects Charles Kingsley
- Sermons on the Card, and Other Discourses Hugh Latimer
- Sermons on Various Important Subjects Andrew Lee
- Sermons Preached at Brighton Frederick William Robertson
- Sermons to the Natural Man William G. T. Shedd
- Short Method of Prayer Jeanne Marie Bouvier de la Motte Guyon
- Smalcald Articles Martin Luther
- Some Remains (hitherto unpublished) of Joseph Butler, LL.D. Joseph Butler
- Spiritual Torrents Jeanne Marie Bouvier de la Motte Guyon
- Standard Oratorios: Their Stories, Their Music, And Their Composers George P. Upton
- St. Gregory Hymnal and Catholic Choir Book
- Story of a Soul (L'Histoire d'une Âme): The Autobiography of St. Thérèse of Lisieux Saint de Lisieux Thérèse
- Story of "Mormonism" and The Philosophy of "Mormonism" James E. Talmage
- Story of the Hymns and Tunes Hezekiah Butterworth and Theron Brown
- Strong Souls Charles Beard
- Succession in the Presidency of The Church of Jesus Christ of Latter-Day Saints B. H. Roberts
- Summa Theologica, Part II-II (Secunda Secundae) Saint Aquinas Thomas
- Summa Theologica, Part I-II (Pars Prima Secundae) Saint Aquinas Thomas
- Summa Theologica, Part III (Tertia Pars) Saint Aquinas Thomas
- Summa Theologica, Part I (Prima Pars) Saint Aquinas Thomas
- Things Which Remain Daniel A. Goodsell
- Three Prayers and Sermons Jonathan Swift
- Three Sermons, Three Prayers Jonathan Swift
- Town and Country Sermons Charles Kingsley