Federal Reserve Bank of Cleveland. "April 1957," Economic Review (Federal Reserve Bank of Cleveland) (April 1957). https://fraser.stlouisfed.org/title/1328/item/4321, accessed on April 18, 2024.
Federal Reserve Bank of Cleveland. "April 1957," Economic Review (Federal Reserve Bank of Cleveland) (April 1957). https://fraser.stlouisfed.org/title/1328/item/4321, accessed on April 18, 2024.