United States. Department of the Treasury. "Bill tender on 320 Treasury day bills, November 25, 1959," in United States. Department of the Treasury. "Volume 119," Press Releases of the United States Department of the Treasury (October 1, 1959 - December 30, 1959) : 308-312. https://fraser.stlouisfed.org/title/6111/item/586962/toc/538064 , accessed on June 25, 2024.