United States. President and Council of Economic Advisers (U.S.). "United States Merchandise Imports for Consumption, by Economic Classes," in United States. President and Council of Economic Advisers (U.S.). "January 1951," Economic Report of the President (January 1951) : 224-224. https://fraser.stlouisfed.org/title/45/item/8120/toc/238287 , accessed on May 12, 2024.