Federal Reserve Bank of Cleveland. "January 1967," Economic Review (Federal Reserve Bank of Cleveland) (January 1967). https://fraser.stlouisfed.org/title/1328/item/4701, accessed on April 24, 2024.
Federal Reserve Bank of Cleveland. "January 1967," Economic Review (Federal Reserve Bank of Cleveland) (January 1967). https://fraser.stlouisfed.org/title/1328/item/4701, accessed on April 24, 2024.