United States. Bureau of Economic Analysis. "September 1932," Survey of Current Business (September 1932). https://fraser.stlouisfed.org/title/46/item/9277, accessed on April 26, 2024.
United States. Bureau of Economic Analysis. "September 1932," Survey of Current Business (September 1932). https://fraser.stlouisfed.org/title/46/item/9277, accessed on April 26, 2024.