This primary source comes from the Records of the Office of the Chief Signal Officer.
National Archives Identifier:
849160Full Citation: Photograph of Railroad Cars at Dachau Concentration Camp; 1945; Records of the Office of the Chief Signal Officer, Record Group 111. [Online Version, https://docsteach.org/documents/document/photograph-of-railroad-cars-at-dachau-concentration-camp, April 19, 2024]