United States. Department of the Treasury. "Bill results on 274-day and 366-day bills, January 25, 1972," in United States. Department of the Treasury. "Volume 177," Press Releases of the United States Department of the Treasury (January 3, 1972 - February 29, 1972) : 166-167. https://fraser.stlouisfed.org/title/6111/item/587020/toc/542533 , accessed on July 11, 2024.