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. "March 1964," Federal Reserve Bulletin (March 1964) : 112-112. https://fraser.stlouisfed.org/title/62/item/21351/toc/209941 , accessed on May 14, 2024.