Federal Reserve Bank of Cleveland. "May 1957," Economic Review (Federal Reserve Bank of Cleveland) (May 1957). https://fraser.stlouisfed.org/title/1328/item/4081, accessed on April 25, 2024.
Federal Reserve Bank of Cleveland. "May 1957," Economic Review (Federal Reserve Bank of Cleveland) (May 1957). https://fraser.stlouisfed.org/title/1328/item/4081, accessed on April 25, 2024.