United States. Department of the Treasury. "Sale of $2-1/4 billion April Tax Anticipation Bills, July 10, 1970," in United States. Department of the Treasury. "Volume 169," Press Releases of the United States Department of the Treasury (May 6, 1970 - August 3, 1970) : 532-533. https://fraser.stlouisfed.org/title/6111/item/587012/toc/541838 , accessed on June 16, 2024.