Board of Governors of the Federal Reserve System (U.S.), 1935-. "December 20, 1960," G.8 Index Numbers of Wholesale Prices (December 20, 1960). https://fraser.stlouisfed.org/title/3936/item/529048, accessed on May 26, 2022.
public domain
Board of Governors of the Federal Reserve System (U.S.), 1935-. "December 20, 1960," G.8 Index Numbers of Wholesale Prices (December 20, 1960). https://fraser.stlouisfed.org/title/3936/item/529048, accessed on May 26, 2022.
public domain