This primary source comes from the Records of the War Department General and Special Staffs, 1860 - 1952.
Full Citation: Photograph 165-WW-68C-13; Boy's Activities - Parades - War Activities. Boy Scouts and Tank Float in Red Cross Parade, Middletown, O; 1917-1918; Boy's Activities - Parades; American Unofficial Collection of World War I Photographs, 1917 - 1918; Records of the War Department General and Special Staffs, 1860 - 1952, Record Group 165; National Archives at College Park, College Park, MD. [Online Version, https://docsteach.org/documents/document/boy-scouts-tank-float-parade, March 28, 2024]