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. "December 1963," Federal Reserve Bulletin (December 1963) : 88-88. https://fraser.stlouisfed.org/title/62/item/21348/toc/428414 , accessed on April 18, 2024.