ティーポット・ドーム事件
↑ Cherny, Robert W. “Graft and Oil: How Teapot Dome Became the Greatest Political Scandal of its Time”. History Now. Gilder Lehrman Institute of American History. 2010年5月27日閲覧。
↑ “Warren G Harding: Domestic & foreign affairs”, Grant-Eisenhower, President profiles, http://www.presidentprofiles.com/Grant-Eisenhower/Warren-G-Harding-Domestic-and-foreign-affairs.html May 14,2015閲覧。 .
↑ “Mineral Leasing Act of 1920 as Amended (re-transcribed 2007-08-07)” (PDF). Bureau of Land Management, U.S. Department of the Interior. 2014年9月8日閲覧。
↑ Davis, Margaret L (2001).