United States. Department of the Treasury. "Treasury May Quarterly Financing, May 4, 1988, Release Number b-1399," in United States. Department of the Treasury. "Volume 285," Press Releases of the United States Department of the Treasury (April 1, 1988 - May 23, 1988) : 169-171. https://fraser.stlouisfed.org/title/6111/item/587128/toc/535323 , accessed on June 25, 2024.