Federal Reserve Bank of St. Louis. "July 1968," Review (Federal Reserve Bank of St. Louis) (July 1968). https://fraser.stlouisfed.org/title/820/item/24415, accessed on April 17, 2024.
Federal Reserve Bank of St. Louis. "July 1968," Review (Federal Reserve Bank of St. Louis) (July 1968). https://fraser.stlouisfed.org/title/820/item/24415, accessed on April 17, 2024.