Unknown Athapaskans: The Identification of the Jano, Jocome, Jumano, Manso, Suma, and Other Indian Tribes of the Southwest

The scholar who is studying the American Indian is frequently faced with the difficult task of dealing with a vast number of large and small aboriginal groups which disappeared prior to the time when ethnologists and linguists could record anything of their language, culture or socio-political organization. This problem is particularly acute in the area of the southwestern United States and the north of Mexico, for in this region great changes occurred prior to 1821 and many Indian groups were obliterated before the coming of observers with scientific inclinations.