United States. President and Council of Economic Advisers (U.S.). "Changes in Selected Economic Series Since 1939 and 1951 and during 1952," in United States. President and Council of Economic Advisers (U.S.). "1953," Economic Report of the President (1953) : 221-221. https://fraser.stlouisfed.org/title/45/item/8123/toc/309849 , accessed on May 7, 2024.