Federal Reserve Bank of St. Louis. "Week Ending September 20, 1967," U.S. Financial Data (September 20, 1967). https://fraser.stlouisfed.org/title/5335/item/537752, accessed on May 10, 2024.
Federal Reserve Bank of St. Louis. "Week Ending September 20, 1967," U.S. Financial Data (September 20, 1967). https://fraser.stlouisfed.org/title/5335/item/537752, accessed on May 10, 2024.