United States. Department of the Treasury. "Bill Offering, March 31, 1955," in United States. Department of the Treasury. "Volume 102," Press Releases of the United States Department of the Treasury (January 4, 1955 - March 31, 1955) : 520-524. https://fraser.stlouisfed.org/title/6111/item/586945/toc/536860 , accessed on June 4, 2023.