^Maggor, Noam (February 20, 2017). Brahmin Capitalism: Frontiers of Wealth and Populism in America's First Gilded Age. Harvard University Press (published 2017). ISBN9780674971462.
^Farrell, Betty G. (September 6, 1993). Elite Families: Class and Power in Nineteenth-Century Boston. New York: State University of New York Press (published 1993). ISBN1438402325.
^Historical Journal of Massachusetts (Volumes 31-32 ed.). University of Wisconsin (Madison): University of Wisconsin - Madison. 2003.