United States. Department of the Treasury. "Bill tender on 364-day T. Bills, October 10, 1961," in United States. Department of the Treasury. "Volume 128," Press Releases of the United States Department of the Treasury (October 2, 1961 - December 30, 1961) : 39-43. https://fraser.stlouisfed.org/title/6111/item/586971/toc/538595 , accessed on June 24, 2024.