Board of Governors of the Federal Reserve System (U.S.), 1935-. "Steel Mill Products - Revisions," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "March 16, 1965," G.12.3 Industrial Production (1965-03-16) : 3-3. https://fraser.stlouisfed.org/title/55/item/59567/toc/487053 , accessed on April 17, 2024.