- Social aspects1
- Spain--Manresa1
- Spain--Medinaceli1
- Spain--Teruel1
- Spain--Toledo1
- Spain--Zaragoza1
- Speculum historiale1
- Speeches1
- Speeches, addresses, etc., Italian1
- Spirits1
- Spirituality--Catholic Church1
- Spurious and doubtful works1
- Statutes and codes1
- Stephen, the Younger, Saint, 713 or 714-7641
- Stoddard, Anthony, 1678-17601
- Stoics1
- Sufi chants1
- Sunan (Abū Dāʼūd Sulaymān ibn al-Ashʻath al-Sijistānī)1
- Sunan (Ibn Mājah, Muḥammad ibn Yazīd)1
- Sunan al-kubrá (Bayhaqī, Aḥmad ibn al-Ḥusayn)1