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. "June 1987," Federal Reserve Bulletin (June 1987) : 16-17. https://fraser.stlouisfed.org/title/62/item/20781/toc/179721 , accessed on March 28, 2024.