United States. Department of the Treasury. "Tables - Stock and Circulation Money in the United States," 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) : 327-332. https://fraser.stlouisfed.org/title/194/item/5623/toc/59160 , accessed on April 19, 2024.