This primary source comes from the Records of the Bureau of Indian Affairs.
National Archives Identifier:
518969Full Citation: Spotted Tail-Tshin-Tah-Ge-Las-Kah. Brule Sioux; 1872; Records of the Bureau of Indian Affairs, Record Group 75. [Online Version, https://www.docsteach.org/documents/document/spotted-tailtshintahgelaskah-brule-sioux, May 12, 2024]