^Berlo، Janet Catherine (2000). Spirit Beings and Sun Dancers: Black Hawk's Vision of the Lakota World. Cooperstown, NY: George Braziller in association with the New York State Historical Association. ص. 13. ISBN:0-8076-1465-3.
^Berlo، Janet Catherine (1996). "Spirit Horses and Thunder Beings: Plains Indians Dream Drawings". Grand Street. ج. 56: 200. JSTOR:25008020.
^Johnson، Michael G. (2012). Tribes of the Sioux Nation. Bloomsbury Publishing. ص. 368. ISBN:1780969929.
لمعانٍ أخرى، طالع بلاك هوك (توضيح).
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