Federal Reserve Bank of Cleveland and Federal Reserve Bank of Cleveland. Research Department. "Index, 1955," Business Trends ([1956]). https://fraser.stlouisfed.org/title/6752/item/622091, accessed on July 11, 2024.
Federal Reserve Bank of Cleveland and Federal Reserve Bank of Cleveland. Research Department. "Index, 1955," Business Trends ([1956]). https://fraser.stlouisfed.org/title/6752/item/622091, accessed on July 11, 2024.