^Whorton, James C. (2016 edition). Crusaders for Fitness: The History of American Health Reformers. Princeton University Press. pp. 263-264. (ردمك 978-0691641898)
^Griffith, R. Marie. (2000). Apostles of Abstinence: Fasting and Masculinity during the Progressive Era. American Quarterly 52 (4): 599-638.
