Campbell, W. S. (January 1921). "The Cheyenne Dog Soldiers". Chronicles of Oklahoma. 1 (1): 90–97. Archived from the original on 13 February 2022. Retrieved 7 March 2017.
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Campbell, W. S. (January 1921). "The Cheyenne Dog Soldiers". Chronicles of Oklahoma. 1 (1): 90–97. Archived from the original on 13 February 2022. Retrieved 7 March 2017.