^ Green, Edith (March 7, 1962). United States Congress. "Program Practices of Television Networks". Congressional Record: Proceedings and Debates of the 87th Congress, Second Session. U.S. Government Printing Office. 108 (part 3 (Pages 2851 to 4340)): 3558. Interestingly, ... an American ... recognized the problem that arose with general dissemination, as opposed to point-to-point transmission, of messages by wireless. ... The American was Herbert Hoover.

^ Leuchtenburg 2009, pp. 53–54.

^ Whyte 2017, p. 271.

^ Peter D. Norton, Fighting Traffic: The Dawn of the Motor Age in the American City (MIT Press, 2008), pp. 178–197 ISBN 0-262-14100-0

^ George H. Nash, "The Great Enigma and the Great Engineer," in John E. Haynes, ed., Calvin Coolidge and the Coolidge Era, (1998) pp 149–80.

^ Phillips Payson O'Brien, "Herbert Hoover, Anglo–American Relations and Republican Party Politics in the 1920s."Diplomacy & Statecraft 22.2 (2011): 200–218.

^ Whyte 2017, pp. 257–200.

^ Hart 1998.

^ Hutchison, Janet (1997), "Building for Babbitt: the State and the Suburban Home Ideal", Journal of Policy History, 9 (2): 184–210, doi:10.1017/S0898030600005923, S2CID 155048376

^ Whyte 2017, pp. 269–271.

^ Jump up to: a b Leuchtenburg 2009, pp. 68–71.

^ Whyte 2017, pp. 328–329.

