United States. Department of the Treasury. "Bill Tender, June 7, 1949," in United States. Department of the Treasury. "Volume 78," Press Releases of the United States Department of the Treasury (June 5, 1949 - August 3, 1949) : 148-150. https://fraser.stlouisfed.org/title/6111/item/586921/toc/572486 , accessed on April 26, 2024.