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-. "July 14, 1978," G.12.3 Industrial Production (1978-07-14) : 7-7. https://fraser.stlouisfed.org/title/55/item/59612/toc/470415 , accessed on May 10, 2024.