Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Industry Groupings," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "June 1974," Federal Reserve Bulletin (June 1974) : 119-119. https://fraser.stlouisfed.org/title/62/item/21473/toc/145780 , accessed on June 29, 2024.