The Holy Qur'an.
Nahj al-Balagha
Alijani, Hamidreza (1391). "Designing the center of approximation of Islamic religions in the city of Qom", under the guidance of Jamaluddin Mahdinejad, Islamic Art University of Tabriz.
By Azar Shirazi, Abdul Karim (1357). Solidarity of Islamic Religions: Articles of Dar al-Taqrib Cairo, Tehran: Amir Kabir.
Darabi, Behnam (1390). "Approximation of Islamic Religions as a Reform Movement", Journal of Studies on Appropriation of Islamic Religions, Fall 2018, No 25
Drysdel, Alasdair and Gerald Henry (1369). Political geography of the Middle East and North Africa, Tehran: Bureau of Political and International Studies of Foreign Affairs, pp. 2015-20.
Fakhlai, Mohammad Taghi (2007). Getting to know about the approximation of Islamic religions, Tehran: Mashaar.
Fakhr Razi, Muhammad bin Omar (Bita). Tafsir Kabir, vol. 17, Cairo (without reference).
Hassanzadeh, Samira (1400). "The role of educational centers of the Islamic world in the approximation of Islamic religions", the first provincial conference of Farhangian University, pp. 13-1.
Jafariyan, Rasul (2011). The intellectual-political life of Shia imams, Tehran: Alam.
Jodaki, Hojjat Elah; Safauddin Tabaraian (1376). "Jamaat al-Kareem and Dr. Mossadegh: a report of an unpublished conversation", Iranian Contemporary History Quarterly, Winter 1376, No. 4, pp. 357-359.
Jurisprudential sources of the Sunni Imams, taken from the information base of Ayatollah Makarem Shirazi, publication date: 10/24/1391 - www.makarem.ir
Mahmoudi, Maryam Al Sadat; Mojtabai, Fathullah and Tahira Haj Ebrahimi (2017). "Ibn Maimun and the method of dealing with analogical verses in the Old Testament", Essays in Philosophy and Kalam, Year 5, Number 100, Spring and Summer 2017, pp. 91-108.
Mehrizi, Mehdi (2009). "Current Studies of the Approximation of Islamic Religions", Haft Asman, Fall 2019, Year 12, Number 47, pp. 5-26.
Mohit Tabatabai, Seyyed Mohammad (1370). Articles about Seyyed Jamaluddin Asadabadi, Bija: Bi Na.
Moin al-Dini, Javad (2016). "The Greater Middle East Plan; Patterns of local modernization and expansion of regional convergence", Daneshnama Law and Politics Magazine, Vol. 7, Autumn and Winter, pp. 77-61.
Mojtaba, Mojtabi; Salari, Mojtabi and Mojtabi Ansari Moghadam (2018). "Obstacles to rapprochement between Islamic religions from the point of view of Imam Khamenei (Mad Zala Al-Ali)". The 5th National Conference on Humanities and Management Studies, pp. 1-23.
Mughniyeh, Mohammad Javad (2019). In the Shadows of Nahj al-Balagheh, the New Book of Lafham, Beirut: Dar-e-Al-Elam Lal-Malayain.
Qaraati, Mohsen (2013). Tafsir Noor, Tehran: Lessons from the Qur'an Cultural Center.
Rahdar, Ahmed (1400). "Pathology of the Discourse of the Approximation of Religions", Political Science, Year 24, Number 94, Summer 1400, pp. 7-3
Sandbahrani, Mohammad; Ali Hamoud Enad Ebadi (2017). Another look at unity and approximation: jurisprudential-theological review, translated by Ali Zahidpour, Tehran: Bostan Kitab.
Sawaqib, Jahanbakhsh (1384). "Ghadir Khum and Saqifa Bani Saedeh", History in Ayane Research, Vol. 5, pp. 12-23.
Tabari, Mohammad bin Jarir (2014). Tabari's history, translated by Abolqasem Payandeh, Tehran: Asatir.
Tabatabai, Seyyed Mohammad; Seifi, Yusuf (2011). "America's Grand Strategy in the Middle East: A Field for the Interaction of Hard Power and Soft Power" International Relations Studies Quarterly, Volume 5, No. 9, pp. 153-186.
Taskhiri, Mohammad Ali (1384). "Islamic unity and convergence of religions", Islamic Government, No. 37, pp. 20-13.
Vaezzadeh Khorasani, Mohammad (2012). "Ways of approximating Islamic religions and unity of Muslims", Islamic Studies, Summer 2013, No. 60, pp. 19-50.
Zakari, Ali Akbar (2015). Necessity of interaction among scholars of the Islamic world and avoiding curses and excommunication, Tehran: Bostan Kitab.
Zamani, Mohammad Hassan (2014). Scientific bases of unity and approximation of Islamic religions, Tehran: Berg Ferdous.