United States. Department of the Treasury. "Bill Tender, February 15, 1955," in United States. Department of the Treasury. "Volume 102," Press Releases of the United States Department of the Treasury (January 4, 1955 - March 31, 1955) : 176-179. https://fraser.stlouisfed.org/title/6111/item/586945/toc/536814 , accessed on April 19, 2024.