Federal Reserve Bank of St. Louis. "January 1971," National Economic Trends (January 1971). https://fraser.stlouisfed.org/title/870/item/34064, accessed on May 11, 2024.
Federal Reserve Bank of St. Louis. "January 1971," National Economic Trends (January 1971). https://fraser.stlouisfed.org/title/870/item/34064, accessed on May 11, 2024.