United States. Bureau of Economic Analysis. "November 1961," Survey of Current Business (November 1961). https://fraser.stlouisfed.org/title/46/item/9627, accessed on March 29, 2024.
United States. Bureau of Economic Analysis. "November 1961," Survey of Current Business (November 1961). https://fraser.stlouisfed.org/title/46/item/9627, accessed on March 29, 2024.