United States. Department of the Treasury. "Bill Tender, September 27, 1955," in United States. Department of the Treasury. "Volume 104," Press Releases of the United States Department of the Treasury (July 2, 1955 - September 29, 1955) : 354-356. https://fraser.stlouisfed.org/title/6111/item/586947/toc/537017 , accessed on July 11, 2024.