Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Gross National Product, National Income, and Income Payments," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "February 1948," Federal Reserve Bulletin (February 1948) : 103-104. https://fraser.stlouisfed.org/title/62/item/21158/toc/7791 , accessed on April 19, 2024.