United States. Bureau of the Budget and United States. Office of Management and Budget. "Expenditures for Conduct of Basic Research," in United States. Bureau of the Budget and United States. Office of Management and Budget. "Fiscal Year Ending June 30, 1965," Budget of the United States Government (January 21, 1964) : 405-405. https://fraser.stlouisfed.org/title/54/item/19018/toc/235098 , accessed on May 9, 2024.