United States. Department of the Treasury. "Franklin Half Doller Struck, April 15, 1948," in United States. Department of the Treasury. "Volume 72," Press Releases of the United States Department of the Treasury (April 2, 1948 - May 27, 1948) : 179-184. https://fraser.stlouisfed.org/title/6111/item/586915/toc/569832 , accessed on May 19, 2022.