Map of North America: Showing the research areas, cities, and rail routes important in Edward Curtis's Life by Eric Elias. In Lawlor, Laurie. Shadow Catcher: The Life and Work of Edward S. Curtis. New York, .
Sun Dance Encampment - Piegan, 1900
Edward S. Curtis, The North American Indian, Portfolio VI, Plate no. 192, 1911.
Courtesy of Northwestern University Library, Digital Collections.