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-. "November 15, 1977," G.12.3 Industrial Production (1977-11-15) : 12-12. https://fraser.stlouisfed.org/title/55/item/59606/toc/470294 , accessed on April 25, 2024.