Board of Governors of the Federal Reserve System (U.S.), 1935-. "April 14, 1961," G.8 Index Numbers of Wholesale Prices (April 14, 1961). https://fraser.stlouisfed.org/title/3936/item/529052, accessed on April 19, 2024.
Board of Governors of the Federal Reserve System (U.S.), 1935-. "April 14, 1961," G.8 Index Numbers of Wholesale Prices (April 14, 1961). https://fraser.stlouisfed.org/title/3936/item/529052, accessed on April 19, 2024.