Retirement of Carl Dickson, Assistant Chief of Secret Service, October 3, 1956
United States. Department of the Treasury. "Retirement of Carl Dickson, Assistant Chief of Secret Service, October 3, 1956," in United States. Department of the Treasury. "Volume 108," Press Releases of the United States Department of the Treasury (September 1, 1956 - December 29, 1956) : 64-69. https://fraser.stlouisfed.org/title/6111/item/586951/toc/537189 , accessed on June 25, 2024.