United States. President and Council of Economic Advisers (U.S.). "U.S. Government Grants and Credits, by Area and Major Countries," in United States. President and Council of Economic Advisers (U.S.). "1960," Economic Report of the President (1960) : 250-252. https://fraser.stlouisfed.org/title/45/item/8131/toc/270096 , accessed on April 25, 2024.