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 1980," Federal Reserve Bulletin (June 1980) : 145-145. https://fraser.stlouisfed.org/title/62/item/20466/toc/44640 , accessed on April 25, 2024.