United States. Bureau of Economic Analysis. "December 1951," Survey of Current Business (December 1951). https://fraser.stlouisfed.org/title/46/item/9508, accessed on April 20, 2024.
United States. Bureau of Economic Analysis. "December 1951," Survey of Current Business (December 1951). https://fraser.stlouisfed.org/title/46/item/9508, accessed on April 20, 2024.