United States. Department of the Treasury. "Bill Tender, January 29, 1963, Release Number d-737," in United States. Department of the Treasury. "Volume 135," Press Releases of the United States Department of the Treasury (January 2, 1963 - March 27, 1963) : 169-174. https://fraser.stlouisfed.org/title/6111/item/586978/toc/539055 , accessed on June 22, 2024.