Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Labor Force, Employment, and Unemployment," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "August 1991," Federal Reserve Bulletin (August 1991) : 108-108. https://fraser.stlouisfed.org/title/62/item/20831/toc/45551 , accessed on April 19, 2024.