id author title date pages extension mime words sentences flesch summary cache txt en-wikipedia-org-8427 William Graham Sumner - Wikipedia .html text/html 7068 696 66 William Graham Sumner (October 30, 1840 – April 12, 1910) was a classical liberal American social scientist. Sumner wrote widely within the social sciences, with numerous books and essays on American history, economic history, political theory, sociology, and anthropology. The following have been the William Graham Sumner Professor of Sociology at Yale University: Social Darwinism: Selected Essays of William Graham Sumner, ed. ^ William Graham Sumner, What Social Classes Owe to Each Other (New York: Harper & Brothers, 1883), 44–45. Barnes, Harry Elmer, "Two Representative Contributions of Sociology to Political Theory: The Doctrines of William Graham Sumner and Lester Frank Ward", American Journal of Sociology, Vol. 25, No. 1 (Jul., 1919), pp. G., "William Graham Sumner", American Journal of Sociology, Vol. 15, No. 6 (May, 1910), pp. "Pauperism and Poverty: Henry George, William Graham Sumner, and the Ideological Origins of Modern American Social Science". ./cache/en-wikipedia-org-8427.html ./txt/en-wikipedia-org-8427.txt