Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Industrial Production - Indexes and Gross Value," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "February 1982," Federal Reserve Bulletin (February 1982) : 99-100. https://fraser.stlouisfed.org/title/62/item/20486/toc/213139 , accessed on April 25, 2024.