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. "February 1965," Federal Reserve Bulletin (February 1965) : 110-110. https://fraser.stlouisfed.org/title/62/item/21362/toc/336212 , accessed on March 29, 2024.