United States. Department of the Treasury. "Bill tender on 365-Day Treasury bills, January 12, 1961," in United States. Department of the Treasury. "Volume 123," Press Releases of the United States Department of the Treasury (October 4, 1960 - January 18, 1961) : 41-44. https://fraser.stlouisfed.org/title/6111/item/586966/toc/538308 , accessed on June 23, 2024.