Federal Reserve Bank of Cleveland. "October 1968," Economic Review (Federal Reserve Bank of Cleveland) (October 1968). https://fraser.stlouisfed.org/title/1328/item/4362, accessed on April 24, 2024.
Federal Reserve Bank of Cleveland. "October 1968," Economic Review (Federal Reserve Bank of Cleveland) (October 1968). https://fraser.stlouisfed.org/title/1328/item/4362, accessed on April 24, 2024.