Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Industry Groupings, Not Seasonally Adjusted," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "October 1962," Federal Reserve Bulletin (October 1962) : 90-90. https://fraser.stlouisfed.org/title/62/item/21334/toc/181987 , accessed on March 28, 2024.