Board of Governors of the Federal Reserve System (U.S.), 1935-. "Industry Subtotals and Individual Series, Seasonally Adjusted," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "August 15, 1980," G.12.3 Industrial Production (1980-08-15) : 11-11. https://fraser.stlouisfed.org/title/55/item/59634/toc/472019 , accessed on April 26, 2024.