Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Gross National Product or Expenditure," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "November 1957," Federal Reserve Bulletin (November 1957) : 67-67. https://fraser.stlouisfed.org/title/62/item/21275/toc/45037 , accessed on April 19, 2024.