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 16, 1980," G.12.3 Industrial Production (1980-07-16) : 12-12. https://fraser.stlouisfed.org/title/55/item/59633/toc/472007 , accessed on April 19, 2024.