United States. Department of the Treasury. "Bill Offering, January 28, 1960," in United States. Department of the Treasury. "Volume 120," Press Releases of the United States Department of the Treasury (January 5, 1960 - March 31, 1960) : 111-113. https://fraser.stlouisfed.org/title/6111/item/586963/toc/538118 , accessed on June 24, 2024.