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. "June 1990," Federal Reserve Bulletin (June 1990) : 114-114. https://fraser.stlouisfed.org/title/62/item/20816/toc/216659 , accessed on May 6, 2024.