United States. Department of the Treasury. "Allotment figures on cash offering of $1,250 million, March 7, 1958," in United States. Department of the Treasury. "Volume 112," Press Releases of the United States Department of the Treasury (January 2, 1958 - March 31, 1958) : 341-343. https://fraser.stlouisfed.org/title/6111/item/586955/toc/537612 , accessed on June 25, 2024.