Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Factory Employment and Pay Rolls, by Industries," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "January 1933," Federal Reserve Bulletin (January 1933) : 58-58. https://fraser.stlouisfed.org/title/62/item/20633/toc/417000 , accessed on March 28, 2024.