United States. Department of the Treasury. "Secret Service Personnel Changes," in United States. Department of the Treasury. "Volume 64," Press Releases of the United States Department of the Treasury (October 8, 1946 - January 8, 1947) : 565-570. https://fraser.stlouisfed.org/title/6111/item/586907/toc/562252 , accessed on June 25, 2024.