Board of Governors of the Federal Reserve System (U.S.), 1935-. "Market Groupings, Not Seasonally Adjusted," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "January 14, 1983," G.12.3 Industrial Production (1983-01-14) : 5-5. https://fraser.stlouisfed.org/title/55/item/59663/toc/472521 , accessed on May 2, 2024.