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. "July 1957," Federal Reserve Bulletin (July 1957) : 63-67. https://fraser.stlouisfed.org/title/62/item/21271/toc/292996 , accessed on May 5, 2024.