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-. "August 15, 1978," G.12.3 Industrial Production (1978-08-15) : 12-12. https://fraser.stlouisfed.org/title/55/item/59613/toc/470431 , accessed on May 4, 2024.