United States. Department of the Treasury. "Bill offering on 252-day T. bills Tax Anticipation Series, June 30, 1960," in United States. Department of the Treasury. "Volume 121," Press Releases of the United States Department of the Treasury (April 1, 1960 - June 30, 1960) : 405-408. https://fraser.stlouisfed.org/title/6111/item/586964/toc/538238 , accessed on June 24, 2024.