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. "June 1955," Federal Reserve Bulletin (June 1955) : 110-110. https://fraser.stlouisfed.org/title/62/item/21246/toc/116305 , accessed on April 23, 2024.