United States. Department of the Treasury. "Tables - Trust and Other Funds," 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) : 333-373. https://fraser.stlouisfed.org/title/194/item/5623/toc/59161 , accessed on March 29, 2024.