United States. Department of the Treasury. "Bill results, November 29, 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) : 333-336. https://fraser.stlouisfed.org/title/6111/item/587019/toc/571772 , accessed on April 26, 2024.