United States. President and Council of Economic Advisers (U.S.). "Gross National Product or Expenditure, in 1947 Prices," in United States. President and Council of Economic Advisers (U.S.). "1955," Economic Report of the President (1955) : 152-152. https://fraser.stlouisfed.org/title/45/item/8126/toc/255701 , accessed on March 28, 2024.