This primary source comes from the Records of the American Expeditionary Forces (World War I).
Full Citation: Cablegram from the Acting Adjutant General; 8/26/1918; Records of the American Expeditionary Forces (World War I), Record Group 120. [Online Version, https://www.docsteach.org/documents/document/cablegram-from-the-acting-adjutant-general, April 25, 2024]