Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Industry and Summary Market Groupings, Seasonally Adjusted," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "January 1962," Federal Reserve Bulletin (January 1962) : 84-84. https://fraser.stlouisfed.org/title/62/item/21325/toc/380186 , accessed on April 25, 2024.