Board of Governors of the Federal Reserve System (U.S.), 1935-. "Industry Groupings, Not Seasonally Adjusted," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "March 16, 1982," G.12.3 Industrial Production (1982-03-16) : 7-7. https://fraser.stlouisfed.org/title/55/item/59653/toc/472346 , accessed on March 28, 2024.