United States. Bureau of Economic Analysis. "August 1938," Survey of Current Business (August 1938). https://fraser.stlouisfed.org/title/46/item/9348, accessed on April 20, 2024.
United States. Bureau of Economic Analysis. "August 1938," Survey of Current Business (August 1938). https://fraser.stlouisfed.org/title/46/item/9348, accessed on April 20, 2024.