Federal Reserve Bank of Cleveland. "December 1968," Economic Review (Federal Reserve Bank of Cleveland) (December 1968). https://fraser.stlouisfed.org/title/1328/item/4323, accessed on April 26, 2024.
Federal Reserve Bank of Cleveland. "December 1968," Economic Review (Federal Reserve Bank of Cleveland) (December 1968). https://fraser.stlouisfed.org/title/1328/item/4323, accessed on April 26, 2024.