Federal Reserve Bank of Cleveland. "June 1957," Economic Review (Federal Reserve Bank of Cleveland) (June 1957). https://fraser.stlouisfed.org/title/1328/item/4340, accessed on April 19, 2024.
Federal Reserve Bank of Cleveland. "June 1957," Economic Review (Federal Reserve Bank of Cleveland) (June 1957). https://fraser.stlouisfed.org/title/1328/item/4340, accessed on April 19, 2024.