United States. Department of the Treasury. "Treasury's 52-Week Bill Offering, October 11, 1991, Release Number nb-1497," in United States. Department of the Treasury. "Volume 310," Press Releases of the United States Department of the Treasury (September 11, 1991 - October 15, 1991) : 439-442. https://fraser.stlouisfed.org/title/6111/item/587153/toc/546240 , accessed on May 18, 2024.