Federal Reserve Bank of St. Louis. "Week Ending: May 20, 1981," U.S. Financial Data (May 20, 1981). https://fraser.stlouisfed.org/title/5335/item/538414, accessed on April 18, 2024.
Federal Reserve Bank of St. Louis. "Week Ending: May 20, 1981," U.S. Financial Data (May 20, 1981). https://fraser.stlouisfed.org/title/5335/item/538414, accessed on April 18, 2024.