Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Gross National Product and Income," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "January 1981," Federal Reserve Bulletin (January 1981) : 158-158. https://fraser.stlouisfed.org/title/62/item/20473/toc/333271 , accessed on April 23, 2024.