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. "September 1946," Federal Reserve Bulletin (September 1946) : 104-104. https://fraser.stlouisfed.org/title/62/item/21141/toc/7648 , accessed on April 25, 2024.