United States. Bureau of Economic Analysis. "March 1923," Survey of Current Business (March 1923). https://fraser.stlouisfed.org/title/46/item/10256, accessed on December 6, 2023.
United States. Bureau of Economic Analysis. "March 1923," Survey of Current Business (March 1923). https://fraser.stlouisfed.org/title/46/item/10256, accessed on December 6, 2023.