Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Industrial Production and Capacity Utilization for May 1997," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "July 1997," Federal Reserve Bulletin (July 1997) : 36-38. https://fraser.stlouisfed.org/title/62/item/20902/toc/368810 , accessed on May 13, 2024.