Federal Reserve Bank of St. Louis. "June 1971," National Economic Trends (June 1971). https://fraser.stlouisfed.org/title/870/item/33989, accessed on July 29, 2024.
Federal Reserve Bank of St. Louis. "June 1971," National Economic Trends (June 1971). https://fraser.stlouisfed.org/title/870/item/33989, accessed on July 29, 2024.