United States. Department of the Treasury. "Bill tender on 91-day T. bills for $1.6 billion, October 11, 1956," in United States. Department of the Treasury. "Volume 108," Press Releases of the United States Department of the Treasury (September 1, 1956 - December 29, 1956) : 136-138. https://fraser.stlouisfed.org/title/6111/item/586951/toc/537204 , accessed on June 25, 2024.