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. "September 1980," Federal Reserve Bulletin (September 1980) : 56-56. https://fraser.stlouisfed.org/title/62/item/20469/toc/370630 , accessed on July 16, 2024.