http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Five Indian tribes of the upper Missouri
Sioux, Arickaras, Assiniboines, Crees, Crows
Edited and with an introd. by John C. Ewers.
Civilization of the American Indian series ; v. 59