Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Factory Employment and Pay Rolls (Monthly Indexes)," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "March 1932," Federal Reserve Bulletin (March 1932) : 62-62. https://fraser.stlouisfed.org/title/62/item/20723/toc/227648 , accessed on April 23, 2024.