Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Industry Groupings, Without Seasonal Adjustment," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "May 1962," Federal Reserve Bulletin (May 1962) : 119-119. https://fraser.stlouisfed.org/title/62/item/21329/toc/189287 , accessed on April 25, 2024.