Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Production Worker Employment in Manufacturing Industries," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "January 1956," Federal Reserve Bulletin (January 1956) : 63-63. https://fraser.stlouisfed.org/title/62/item/21253/toc/182307 , accessed on April 18, 2024.