United States. Department of the Treasury. "Bill Prices," in United States. Department of the Treasury. "Volume 71," Press Releases of the United States Department of the Treasury (January 2, 1948 - March 31, 1948) : 179-180. https://fraser.stlouisfed.org/title/6111/item/586914/toc/569748 , accessed on March 29, 2024.