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 2001," Federal Reserve Bulletin (November 2001) : 85-86. https://fraser.stlouisfed.org/title/62/item/20954/toc/367329 , accessed on April 25, 2024.