Annual Report of the Secret Service to the Secretary, August 26, 1962, Release Number d-588
United States. Department of the Treasury. "Annual Report of the Secret Service to the Secretary, August 26, 1962, Release Number d-588," in United States. Department of the Treasury. "Volume 133," Press Releases of the United States Department of the Treasury (July 2, 1962 - September 30, 1962) : 356-369. https://fraser.stlouisfed.org/title/6111/item/586976/toc/538906 , accessed on June 24, 2024.