Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Industrial Production," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "November 1981," Federal Reserve Bulletin (November 1981) : 15-16. https://fraser.stlouisfed.org/title/62/item/20482/toc/243572 , accessed on April 16, 2024.