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-. "June 15, 1983," G.12.3 Industrial Production (1983-06-15) : 10-10. https://fraser.stlouisfed.org/title/55/item/59668/toc/472604 , accessed on April 23, 2024.