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. "November 1992," Federal Reserve Bulletin (November 1992) : 128-129. https://fraser.stlouisfed.org/title/62/item/20846/toc/67445 , accessed on May 11, 2024.