Board of Governors of the Federal Reserve System (U.S.), 1935-. "Not Seasonally Adjusted Indexes," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "November 15, 1978," G.12.3 Industrial Production (1978-11-15) : 17-17. https://fraser.stlouisfed.org/title/55/item/59615/toc/470502 , accessed on March 28, 2024.