1. Adorno, Theodor, Frenkel-Brunswik, Else, Levinson, Daniel, and Sanford, Nevitt. 1950. The Authoritarian Personality: Studies in Prejudice Series, vol. 1. New York: Harper & Row. http://www.ajcarchives.org/main.php?GroupingId=1380. Accessed 21 November 2019.
2. Allport, Gordon. 1935. Attitudes. In A Handbook of Social Psychology, ed. Carl Murchison, 798–844. Worcester, MA: Clark University Press.
3. Baldwin, James Mark. [1895] 1906. The Mental Development of the Child and the Race, 3rd ed., New York: Macmillan
4. Barnes, Harry Elmer. 1948. Charles Abram Ellwood: Founder of scientific psychological sociology. In An Introduction to the History of Sociology, ed. H.A. Barnes, 853–868. Chicago, IL: The University of Chicago Press.
5. Barnes, Barry, David Bloor, and John Henry. 1996. Scientific Knowledge: A Sociological Analysis. Chicago, IL: The University of Chicago Press.