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. "August 1960," Federal Reserve Bulletin (August 1960) : 89-89. https://fraser.stlouisfed.org/title/62/item/21308/toc/142854 , accessed on April 26, 2024.