A Study of Siouan Cults / Eleventh Annual Report of the Bureau of Ethnology to the Secretary of the Smithsonian Institution, 1889-1890, Government Printing Office, Washington, 1861, pages 351-544
James Owen Dorsey
MYTH AND LEGEND DISTINGUISHED FROM THE SUPERHUMAN.
BELIEFS AND PRACTICES NOT FOUND.
CHAPTER III. CULTS OF THE OMAHA, PONKA, KANSA, AND OSAGE.