United States. Bureau of Economic Analysis. "September 1923," Survey of Current Business (September 1923). https://fraser.stlouisfed.org/title/46/item/10262, accessed on December 10, 2023.
United States. Bureau of Economic Analysis. "September 1923," Survey of Current Business (September 1923). https://fraser.stlouisfed.org/title/46/item/10262, accessed on December 10, 2023.