Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "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 1976," Federal Reserve Bulletin (July 1976) : 148-148. https://fraser.stlouisfed.org/title/62/item/20420/toc/83842 , accessed on April 26, 2024.