When Europeans first made contact with the Osages, they lived in present-day Missouri, along the Osage River. After being forced onto a reservation, the Osages purchased land from the Cherokees in Indian Territory and resettled in northeastern Oklahoma in the later part of the nineteenth century. Today the Osage tribe numbers about 18,000, but only two elders still speak the traditional language, a member of the Siouan family of languages. Osage...