- Spiritual life--Islam1
- Spirituality1
- Spirituality--Catholic Church1
- Spirituality--Middle Ages1
- Sprinkled papers1
- Stained calf bindings1
- State, The1
- Strozzi, Nanni, 1376-14271
- Subkī, Taqī al-Dīn ʻAlī ibn ʻAbd al-Kāfī, 1284-13551
- Sufi poetry, Turkish1
- Sufis--Biography1
- Sugar1
- Suhrawardī, ʻUmar ibn Muḥammad, 1145-1234. ʻAwārif al-maʻārif1
- Sukkot--Liturgy1
- Sumtī, Yūsuf ibn Khālid1
- Sunan (Abū Dāʼūd Sulaymān ibn al-Ashʻath al-Sijistānī)1
- Sunna1
- Suyūṭī, 1445-15051
- Switzerland--Basel-Landschaft (Canton)1
- Switzerland--Lucerne1