United States. Department of the Treasury. "Bill offering, November 9, 1971," in United States. Department of the Treasury. "Volume 176," Press Releases of the United States Department of the Treasury (November 1, 1971 - December 28, 1971) : 82-84. https://fraser.stlouisfed.org/title/6111/item/587019/toc/571748 , accessed on March 28, 2024.