United States. President and Council of Economic Advisers (U.S.). "Gross National Product or Expenditure in 1939 Prices," in United States. President and Council of Economic Advisers (U.S.). "Midyear Report 1951," Economic Report of the President (Midyear Report 1951) : 234-234. https://fraser.stlouisfed.org/title/45/item/8122/toc/296781 , accessed on March 29, 2024.