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. "September 1952," Federal Reserve Bulletin (September 1952) : 97-97. https://fraser.stlouisfed.org/title/62/item/21213/toc/183144 , accessed on March 29, 2024.