Board of Governors of the Federal Reserve System (U.S.), 1935-. "Chart - Industrial Production Indexes. Total Industry. Manufacturing," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "April 16, 1997," G.17 Industrial Production and Capacity Utilization (1997-04-16) : 3-3. https://fraser.stlouisfed.org/title/77/item/63665/toc/455853 , accessed on May 8, 2024.