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
BELIEF IN FUTURE LIFE.
ALLEGED DAKOTA BELIEF IN A GREAT SPIRIT.
CHAPTER V. DAKOTA AND ASSINIBOIN CULTS.