Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Industry and Summary Market Groupings, Without Seasonal Adjustment," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "June 1962," Federal Reserve Bulletin (June 1962) : 66-66. https://fraser.stlouisfed.org/title/62/item/21330/toc/288986 , accessed on May 13, 2024.