United States. Department of the Treasury. "Public Debt Announces Strips Activity For June 1993, July 7, 1993," in United States. Department of the Treasury. "Volume 323," Press Releases of the United States Department of the Treasury (May 21, 1993 - July 7, 1993) : 374-376. https://fraser.stlouisfed.org/title/6111/item/587166/toc/547392 , accessed on May 18, 2024.