Board of Governors of the Federal Reserve System (U.S.), 1935-. "Industry Subtotals and Individual Series, Not Seasonally Adjusted," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "July 15, 1983," G.12.3 Industrial Production (1983-07-15) : 24-24. https://fraser.stlouisfed.org/title/55/item/59669/toc/472631 , accessed on March 28, 2024.