- Lee, Fred. "Sha Ha Ka: Lewis & Clark's Mandan Indian Friend," The Trail Guide Vol. XII, Number 3, (Kansas City Posse of The Westerners), September 1967, p. 9.
- Ibid., p. 13.
- Ibid., p.13-14.
- Ibid., pp. 14.
- James, Thomas. "Three Years Among the Indians and Mexicans" edited with notes and biographical sketches by Walter B. Douglas, (St. Louis: Missouri Historical Society, 1916).
- Ogelsby, Richard E. "Manuel Lisa and the Opening of the Missouri Fur Trade" (Norman, OK: University of Oklahoma Press, 1984), p. 75.
- Lee, Fred. "Sha Ha Ka: Lewis & Clark's Mandan Indian Friend" The Trail Guide, Vol. XII, Number 3, (Kansas City Posse of the Westerners), September, 1967, pp. 15-16.
- Ogelsby, Richard E. "Manuel Lisa and the Opening of the Missouri Fur Trade" (Norman, OK: University of Oklahoma Press, 1984), p. 115.
- Williams, Ezekiel. Letter written Boons-lick, 7th Aug. 1816, published in "The Lost Trappers" Edited with notes by David Webber, (University of New Mexico Press, 1970) pp. 178-181
- Ibid., pp. 181
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