United States. Department of the Treasury. "Tables - Summary of Fiscal Operations," in United States. Department of the Treasury. "Annual Report of the Secretary of the Treasury on the State of the Finances, Fiscal Year 1978 : Statistical Appendix," Annual Report of the Secretary of the Treasury on the State of the Finances (Fiscal Year Ended September 30, 1978) : 15-15. https://fraser.stlouisfed.org/title/194/item/5623/toc/59156 , accessed on April 26, 2024.