Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Gross National Product, National Income, and Personal Income," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "March 1948," Federal Reserve Bulletin (March 1948) : 72-73. https://fraser.stlouisfed.org/title/62/item/21159/toc/43091 , accessed on April 23, 2024.