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Association of the United States Army, 1er juillet 2014 (consulté le 20 août 2019). (en-US) The Campaign for the National Museum of the United States Army, « Executive
source pour la rédaction de cet article. Thirty Years of Lynching in the United States, 1889-1918., New York, NAACP (réimpr. 1967, 1969, 1970, 2012) (1re éd
William A. The Paradox of Southern Progressivism, 1880-1930 (1997). Montgomery, David. The Fall of the House of Labor: The workplace, the state, and American
United States, 1880-1920 », The Journal of Interdisciplinary History, 2004, p. 355-391 Nettie P McGill, « Trend of Child Labor in the United States, 1913
of the United States(2005) p. 365 Howard Zinn, "A People's History of the United States"(2005) p. 364 Joseph A. McCartin, Labor's Great War: The Struggle