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-. "May 13, 1983," G.12.3 Industrial Production (1983-05-13) : 11-11. https://fraser.stlouisfed.org/title/55/item/59667/toc/472594 , accessed on April 30, 2024.