Federal Reserve Bank of Cleveland. "March 1961," Economic Review (Federal Reserve Bank of Cleveland) (March 1961). https://fraser.stlouisfed.org/title/1328/item/4200, accessed on April 17, 2024.
Federal Reserve Bank of Cleveland. "March 1961," Economic Review (Federal Reserve Bank of Cleveland) (March 1961). https://fraser.stlouisfed.org/title/1328/item/4200, accessed on April 17, 2024.