United States. Department of the Treasury. "Treasury's 52-Week Bill Results, July 21, 1976, Release Number ws-988," in United States. Department of the Treasury. "Volume 202," Press Releases of the United States Department of the Treasury (June 1, 1976 - July 31, 1976) : 1389-1390. https://fraser.stlouisfed.org/title/6111/item/587045/toc/528738 , accessed on June 25, 2024.