Federal Reserve Bank of Cleveland. "June 1967," Economic Review (Federal Reserve Bank of Cleveland) (June 1967). https://fraser.stlouisfed.org/title/1328/item/4136, accessed on March 29, 2024.
Federal Reserve Bank of Cleveland. "June 1967," Economic Review (Federal Reserve Bank of Cleveland) (June 1967). https://fraser.stlouisfed.org/title/1328/item/4136, accessed on March 29, 2024.