United States. Bureau of Economic Analysis. "February 1949," Survey of Current Business (February 1949). https://fraser.stlouisfed.org/title/46/item/9472, accessed on May 3, 2024.
United States. Bureau of Economic Analysis. "February 1949," Survey of Current Business (February 1949). https://fraser.stlouisfed.org/title/46/item/9472, accessed on May 3, 2024.