United States. Department of the Treasury. "Weekly Bill Results, October 1, 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) : 466-468. https://fraser.stlouisfed.org/title/6111/item/587029/toc/543443 , accessed on May 17, 2024.