United States. Department of the Treasury. "Public Debt News: CUBES Program To Reopen June 1, 1993, March 30, 1993," in United States. Department of the Treasury. "Volume 321," Press Releases of the United States Department of the Treasury (March 1, 1993 - April 19, 1993) : 213-214. https://fraser.stlouisfed.org/title/6111/item/587164/toc/547172 , accessed on May 18, 2024.