- Sphere1
- Spherical trigonometry1
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- Stars--Names1
- Sufi literature1
- Sufi poetry, Persian1
- Suhrawardī, ʻUmar ibn Muḥammad, 1145-1234. ʻAwārif al-maʻārif1
- Sujāʻī, Aḥmad ibn Aḥmad, -1783? ʻUqūd al-Maqūlāt1
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- Sullam al-ʻulūm (Bahārī, Muḥibb Allāh ibn ʻAbd al-Shakūr)1
- Sultans1
- Sumtī, Yūsuf ibn Khālid1
- Sun1
- Sunna1
- Sunnites--Controversial literature1
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- Surgical instruments and apparatus1
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