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-. "November 14, 1989," G.12.3 Industrial Production (1989-11-14) : 8-8. https://fraser.stlouisfed.org/title/55/item/59754/toc/474646 , accessed on April 28, 2024.