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 1983," Federal Reserve Bulletin (February 1983) : 115-116. https://fraser.stlouisfed.org/title/62/item/20499/toc/146545 , accessed on April 26, 2024.