United States. Department of the Treasury. "Tender on 159-Day T. Bills (tax anticipation series), January 12, 1957," in United States. Department of the Treasury. "Volume 109," Press Releases of the United States Department of the Treasury (January 3, 1957 - April 30, 1957) : 41-43. https://fraser.stlouisfed.org/title/6111/item/586952/toc/537276 , accessed on June 25, 2024.