United States. Department of the Treasury. "Treasury's Weekly Bill Results, June 28, 1976, Release Number ws-958," 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) : 759-761. https://fraser.stlouisfed.org/title/6111/item/587045/toc/528708 , accessed on June 25, 2024.