1. Bellah, R. N., Madsen, R., Sullivan, W. M., Swidler, A., & Tipton, S. M. 2007. Habits of the heart: Individualism and commitment in American life (3rd ed.). Berkeley: University of California Press.
2. Boesche, R. (Ed.). 1985. Alexis de Tocqueville: Selected letters on politics and society. Trans. James Toupin and Roger Boesche. Berkeley: University of California Press.
3. Brogan, H. 2006. Alexis de Tocqueville: A Life. New Haven: Yale University Press.
4. Brown, F. (Ed.). 2010. Alexis de Tocqueville: Letters from America. New Haven: Yale University Press.
5. Bush, G. W. 2005. Calvin College Commencement Address, May 21, Grand Rapids, Michigan. www.americanrhetoric.com/speeches/gwbushcalvincollege.htm