This primary source comes from the Records of the Office of the Chief Signal Officer.
National Archives Identifier:
530814Full Citation: Crow King, a Hunkpapa Sioux; half-length, wearing part of a major's uniform; 1881; Records of the Office of the Chief Signal Officer, Record Group 111. [Online Version, https://www.docsteach.org/documents/document/crow-king-a-hunkpapa-sioux-halflength-wearing-part-of-a-majors-uniform, May 20, 2024]