United States. Department of the Treasury. "Sale of bills to complete 52-week cycle, September 27, 1973," in United States. Department of the Treasury. "Volume 186," Press Releases of the United States Department of the Treasury (September 4, 1973 - October 31, 1973) : 446-447. https://fraser.stlouisfed.org/title/6111/item/587029/toc/543437 , accessed on July 17, 2024.