United States. Federal Trade Commission and Sixty-Ninth Congress, 1925-1927. National Wealth and Income : A Report By the Federal Trade Commission in Final Response to Senate Resolution No. 451, Sixty-Seventh Congress, Fourth Session, Agreed to February 28, 1923 , Washington: Government Printing Office, May 25, 1926, https://fraser.stlouisfed.org/title/384, accessed on September 19, 2024.