1. Adorno, Theodor, Else Frenkel-Brunswik, Daniel Levinson, and Nevitt Sanford, The Authoritarian Personality (New York: Harper and Brothers, 1950).
2. Armaly, Miles T., and Adam Enders, “Who Supports Political Violence?,” forthcoming in Perspectives on Politics.
3. Armaly, Miles T., David T. Buckley, and Adam M. Enders, “Christian Nationalism and Political Violence: Victimhood, Racial Identity, Conspiracy, and Support for the Capitol Attacks,” Political Behavior, 44(2022): 937–960.
4. Backes, Uwe, “Meaning and Forms of Political Extremism in Past and Present,” Central European Political Studies Review, 4(2007): 242–262.
5. Bale, Jeffrey M., and Tamir Bar-On, Fighting the Last War: Confusion, Partisanship, and Alarmism in the Literature on the Radical Right (Lanham, MD: Lexington Books, 2022).