Norris, George W (George William), 1861-1944; Hoover, Herbert, 1874-1964; Borah, William Edgar, 1865-1940 ; La Follette, Robert M. (Robert Marion), 1855-1925; Frazier, Lynn Joseph (Lynn Joseph), 1874-1947; Brookhart, Smith Wildman, 1869-1944
United States -- Economic conditions; United States -- Economic policy; United States -- Social conditions; Government regulation; Presidents -- United States