United States. Department of the Treasury. "Bill Tender, October 25, 1955," in United States. Department of the Treasury. "Volume 105," Press Releases of the United States Department of the Treasury (October 4, 1955 - December 31, 1955) : 105-106. https://fraser.stlouisfed.org/title/6111/item/586948/toc/537045 , accessed on June 25, 2024.