Board of Governors of the Federal Reserve System (U.S.), 1935-. "Industry Groupings, Not Seasonally Adjusted," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "November 16, 1965," G.12.3 Industrial Production (1965-11-16) : 5-5. https://fraser.stlouisfed.org/title/55/item/59575/toc/487305 , accessed on April 19, 2024.