Council of Economic Advisers (U.S.) , United States. Congress. Joint Committee on the Economic Report, 1946-1956 and United States. Congress. Joint Economic Committee, 1956-. "Gross National Product or Expenditure," in Council of Economic Advisers (U.S.) , United States. Congress. Joint Committee on the Economic Report, 1946-1956 and United States. Congress. Joint Economic Committee, 1956-. "December 1959," Economic Indicators (December 1959) : 5-5. https://fraser.stlouisfed.org/title/1/item/431/toc/303496 , accessed on March 29, 2024.