| A Scent of Sandalwood: Indo-Ismaili Religious Lyrics | Esmail, Aziz | | Bibliography |
| A Scent of Sandalwood: Indo-Ismaili Religious Lyrics - Review | Steigerwald, Diana | French | Full Text |
| A Shi'a Collection of Divine Traditions | Rob, E. D. | English | Bibliography |
| A Shi'ite Creed | Fyzee, Asaf A. A. | English | Bibliography |
| A Short History of the Fatimid Caliphate | O'Leary. | English | Bibliography |
| A Shorter Druze Catechism | Toftbek, E., transl. | English | Bibliography |
| A Study of Some Aspects of English Education with a View to Improve Ismaili Education in East Africa. | Peermohamed, B. | English | Bibliography |
| A Study of the Fatimid and Ayyubid Document in the Monastery of Mt. Sinai | Youssef, J. N. | English | Bibliography |
| A Survey of Information on Ismailism, Ismailis and the Imams | Jessa, Altaff. | English | Bibliography |
| Sabéens et Ikhwan al Safa | Marquet, Yves. | French | Bibliography |
| Sada-i-Haq: A Call to Truth | Gulam, Ali Shah. | English | Bibliography |
| Sagesse grecque et philosophie musulmane. | Thillet, Pierre. | French | Bibliography |
| Saint Cults in Afghanistan | Duprée, L. | English | Bibliography |
| Saladin and the Assassins | Lewis, Bernard. | English | Bibliography |
| Sathpanth. | Ivanow, Wladimir. | English | Full Text |
| Satpanth Ismailism and Modern Changes within It; with Special Reference to East Africa. | Esmail, A. | English | Bibliography |
| Satpanth Literature in Khojki Manuscripts | Tajddin Sadiq Ali, Mumtaz-Ali | | Full Text |
| Science and Civilisation in Islam | Nasr, Seyyed Hossein. | English | Bibliography |
| Scientific Elements in Ismaili Thought: The Epistles of the Brethren of Purity | Bausani, Alessandro. | English | Bibliography |
| Scientific Notion in the Holy Ginans | Tajddin, Mumtaz Ali | English | Full Text |
| Secrets of the Assassins | Wilson, P. L.,; G. R. Aavani. | English | Full Text |
| Sectes et cultes étranges | Larsen, Egon. | English | Bibliography |
| Sefer Nameh': relation du voyage de Nassiri Khosrau | Schefer, Ch. | French | Bibliography |
| Sefername | Tarzi, A. | English | Bibliography |
| Selected Ginans For Mayat | Pirs | | Full Text |
| Seyyed Hossein Nasr et Mehdi Aminrazavi | Steigerwald, Diana | English | Full Text |
| Shah Diz of Ismaili Fame: Its Siege and Destruction | Minasian, C. O. | English | Bibliography |
| Shams Tabrizi. Was he an Ismailian? | Akhtar, Ahmedian. | English | Bibliography |
| Shams Tabrizi. Was he an Ismailian? | Akhtar, Ahmedian. | English | Bibliography |
| Sheik Dzelal ud dine Rumi po pmedstavleniyam shugnanskikh ismailitov | Semenov, A. | Russian | Bibliography |
| Shi'ite Terms and Conceptions in Judah Halevi's Kuzari | Pines, Shlomo. | English | Bibliography |
| Shiah Islam | Hussein, A. F. Badshah. | English | Bibliography |
| Shii Legal Theories. | Fyzee, Asaf A. A. | English | Bibliography |
| Shughnansko-izmailitskaya redaktsiya `Knigi Svieta' Nasir-i Khosrova | Semenov, A. | Russian | Bibliography |
| Shums Tabrez of Multan. | Ivanow, Wladimir. | English | Bibliography |
| Si-u Shis Sahifa', 36 Epistles | Badakhshani, Sayyid Suhrab Wali; Foreword by W. Ivanow | English | Bibliography |
| Sidelights on Early Imamate Doctrine | Watt, W. Montgomery. | English | Bibliography |
| Sirat Ja'far al Hajib | Ivanow, Wladimir. | English | Bibliography |
| Sirat of al-Mu'ayyad fid Din al Shirazi. | Hamdani, Abbas. | English | Bibliography |
| Six Chapters or `Shish Fasl' (by Nasir Khusraw) | Ivanow, Wladimir. | English | Full Text |
| Siyasat-Name | Schefer, Ch. | French | Bibliography |
| Sloko Moto - Translation | Anonymous | | Full Text |
| Social Change in the Ismaili Society of East Africa, with Reference to the Four Successive Aga Khans. | Bhatia, A. G. | English | Bibliography |
| Some Aspects of Islamic Eschatology | Taylor, J. | English | Bibliography |
| Some Aspects of Law among the Nizari Khojahs Ismailis. | Dhanani, Alnoor. | English | Bibliography |
| Some Aspects of the History of Libya During the Fatimid Period. | Hamdani, Abbas. | English | Bibliography |
| Some Aspects of the History of the Ismailis in East Africa. | Esmail, A. | English | Bibliography |
| Some Considerations on the Fatimid Caliphate as a Mediterranean Power. | Hamdani, Abbas. | English | Bibliography |
| Some East African Firmans of H.H. Aga Khan III | King, N. Q.,; A. K. Adatia. | English | Bibliography |
| Some Educational Terms in Rasa'il Ikhwan as-Safa | Tibawi, A. L. | English | Bibliography |
| Some Guidelines for Cataloguing Khojki Manuscripts | Asani, Dr. Ali S. | | Full Text |
| Some Ismailis Strongholds in Persia | Ivanow, Wladimir. | English | Bibliography |
| Some Notes on Non-Isma'ili Shiism in the Maghrib | Madelung, Wilferd. | English | Bibliography |
| Some Observations on the Significance of Heresy in the History of Islam | Lewis, Bernard. | English | Bibliography |
| Some Specimens of Sathpanth Literature | Hooda, Vali Mahomed. | English | Bibliography |
| Some Unknown Ismaili Authors and their Works | Hamdani, Husayn F. al-. | English | Bibliography |
| Some Work of Khayr Khwah of Herat | Ivanow, Wladimir. | English | Bibliography |
| Songs of the Druzes | Saarisalo, Aapeli. | English | Bibliography |
| Spanish Islam | Dozy, R. | English | Bibliography |
| Srednevekoi persidskii poet Nizari v Zadavkaze | Baiburdi, Ch. G. | Russian | Bibliography |
| Streitschrift des Ghazali gegen die Batiniyya Secte | Goldziher, Ignaz. | English | Bibliography |
| Stress and Response in Forced Migration: The Adaptation of Ugandan Ismailis to the Canadian Context. | Gates, M. | English | Bibliography |
| Studi sulla numismatica arabo-normanna di Sicilia | Lagumina, Bartolomeo. | Italian | Bibliography |
| Studies in Early Ismailism | Stern, S. M. | English | Bibliography |
| Studies in Early Persian Ismailism | Ivanow, Wladimir. | English | Bibliography |
| Studies in Isma'ili Law | Fyzee, Asaf A. A. | English | Bibliography |
| Studies on the History of the Qarmati and Ismaili Movements from the Eighth to the Eleventh Centuries. | Lewis, Bernard. | English | Bibliography |
| Su un case di istiqsam nel fiqh imamita e ismailita-fatimide: il ricorno alla qur'ah nelle fara'id. | Lo-Jacono, Cl. | Italian | Bibliography |
| Sufism and Ismailism. Chiragh-nama | Ivanow, Wladimir. | English | Bibliography |
| Sulaihi | Krenkow. | English | Bibliography |
| Sultan Muhammad Shah Aga Khan et le modernisme musulman en Inde (1902-1936) | Bovin, Michel | French | Full Text |
| Summary and Review of an Article by Ivanow on Ismailis | Dennison Ross, E., Sir. | English | Bibliography |
| Summary in French by Pierre Lory in Studia Iranica (Abstracta Iranica) | Corbin, Henri. | English | Bibliography |
| Sur la date de la composition des Ikhwan al Safa | Massignon, Louis. | French | Bibliography |
| Sur le retour des Zirides à l'obédiance fatimide | Idris, Hady Roger. | French | Bibliography |
| Sur un dinar fatimide | Gateau, Albert. | French | Bibliography |
| Sur une possible régence du prince fatimide Abdallah b. Mu'izz en Ifriqiya au IV/Xe siècle | Yalaqui, M. | French | Bibliography |
| Syria and the Syrians | Wortabet, Gregory M. | English | Bibliography |
| The Sect of Imam Shah in Gujerat | Ivanow, Wladimir. | English | Bibliography |
| The Sect of the Assassins | Oshorn. | English | Bibliography |
| The Shi'ite Religion | Donaldson, D. | English | Bibliography |
| The Shia Imami Ismaili Community in Britain. | Hallam, R. N. M. | English | Bibliography |
| The Shia of India | Hollister, J. N. | English | Bibliography |
| The Shia School of Islam and its Branches, Especially That of the Imamee Ismailies | Howard, E. I. | English | Bibliography |
| The Shiah Doctrine of Imamate | Donaldson, D. | English | Bibliography |
| The Soteriological Cosmology of Central Asiatic Isma'ilism | Filippani-Ronconi, Pio. | English | Bibliography |
| The Sources for the History of the Syrian Assassins | Lewis, Bernard. | English | Bibliography |
| The Sources of Isma'ili Laws | Madelung, Wilferd. | English | Bibliography |
| The Spread of the Sathpanth Ismaili Da'wa in India. | Nanji, Azim. | English | Bibliography |
| The Study of the Literature of the Fatimid Da'wa. | Fyzee, Asaf A. A. | English | Bibliography |
| The Succession of the Fatimid Imam al-Amir, the Claims of the Later Fatimids to the Imamate and the Rise of Tayyibi Ismailism, | Stern, S. M. | English | Bibliography |
| The Syncretic Origin of the Fatimid Da'wa | Van Ess | English | Bibliography |
| The Syrian Ismailis and the Doctrine of Metempsychosis | Mirzah, Nasseh A. | English | Bibliography |
| The Syrian Ismailis at the Time of the Crusades. | Mirzah, Nasseh A. | English | Bibliography |
| The System of Islamic Philosophy | Horten, Max. | English | Bibliography |