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. "March 1990," Federal Reserve Bulletin (March 1990) : 19-20. https://fraser.stlouisfed.org/title/62/item/20814/toc/259585 , accessed on May 10, 2024.