United States. Department of the Treasury. "William T. Heffelfinger receives highest Treasury Award, March 30, 1962," in United States. Department of the Treasury. "Volume 130," Press Releases of the United States Department of the Treasury (March 2, 1962 - April 26, 1962) : 312-314. https://fraser.stlouisfed.org/title/6111/item/586973/toc/538763 , accessed on June 23, 2024.