Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Labor Market in an Expanding Economy," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "September 1972," Federal Reserve Bulletin (September 1972) : 4-13. https://fraser.stlouisfed.org/title/62/item/21453/toc/102657 , accessed on April 23, 2024.