Understanding 'Sectarianism': Sunni-Shi'a Relations in the Modern Arab World (Oxford UP, 2020). Haddad, Fanar. "Anti-Sunnism and anti-Shiism: Minorities, majorities and the question of equivalence." Mediterranean Politics (2020): 1–7 online. Halverson, Jeffry. Theology and creed in Sunni Islam: the Muslim Brotherhood, Ash'arism, and political Sunnism (Springer, 2010). Hazleton, Lesley. After the prophet: the epic story of the Shia-Sunni split in Islam (Anchor, 2010). Kamolnick, Paul. The Al-Qaeda Organization and the Islamic State Organization: History, Doctrine, Modus, Operandi, and US Policy to Degrade and Defeat Terrorism Conducted in the Name of Sunni Islam (Strategic Studies Institute, United States Army War College, 2017) online. Khaddour, Kheder. Localism, War, and the Fragmentation of Sunni Islam in Syria (Carnegie Endowment for International Peace., 2019) online. McHugo, John. A Concise History of Sunnis and Shi'is (2018) excerpt Nuruzzaman, Mohammed. "Conflicts in Sunni Political Islam and Their Implications." Strategic Analysis 41.3 (2017): 285–296 online. Nydell, Margaret K. Understanding Arabs: A guide for modern times (3rd ed. Hachette UK, 2018). Tezcan, Baki. "The Disenchantment of Sufism, the Rationalization of Sunni Islam, and Early Modernity." Journal of the Ottoman and Turkish Studies Association 7.1 (2020): 67–69 online. Wheeler, Branon. Applying the Canon in Islam: The Authorization and Maintenance of Interpretive Reasoning in Ḥanafī Scholarship, SUNY Press, 1996. Online Sunni: Islam, in Encyclopædia Britannica Online'', by The Editors of Encyclopaedia Britannica, Asma Afsaruddin, Yamini Chauhan, Aakanksha Gaur, Gloria Lotha, Matt Stefon, Noah Tesch and Adam Zeidan