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) : 11-11. https://fraser.stlouisfed.org/title/55/item/59612/toc/470419 , accessed on March 28, 2024.