United States. Department of the Treasury. "Bill tender on 365-day T. Bills, March 28, 1966, Release Number f-417," in United States. Department of the Treasury. "Volume 153," Press Releases of the United States Department of the Treasury (February 1, 1966 - March 30, 1966) : 736-745. https://fraser.stlouisfed.org/title/6111/item/586996/toc/539997 , accessed on June 24, 2024.