Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Estimated Employment in Nonagricultural Establishments, by Industry Division," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "July 1947," Federal Reserve Bulletin (July 1947) : 127-127. https://fraser.stlouisfed.org/title/62/item/21151/toc/186441 , accessed on April 25, 2024.