Federal Reserve Bank of Cleveland. "November 1967," Economic Review (Federal Reserve Bank of Cleveland) (November 1967). https://fraser.stlouisfed.org/title/1328/item/4480, accessed on April 23, 2024.
Federal Reserve Bank of Cleveland. "November 1967," Economic Review (Federal Reserve Bank of Cleveland) (November 1967). https://fraser.stlouisfed.org/title/1328/item/4480, accessed on April 23, 2024.