This article is focused on English-language literature rather than the literature of England, so that it includes writers from Scotland, Wales, and the whole of Ireland, as well as literature in English from countries of the former British Empire, including the United States.
Kiowa man and his wife. The Kiowa lived in and around the Texas panhandle. This includes western Oklahoma and northeast New Mexico. They were nomadic buffalo hunters. That makes them hunter gatherers.
The other Texas tribe that probably spoke Tiwa or a form of Tanoan are the Jumano. In fact, Dr. Nancy Hickerson, author of The Jumano, UT press, speculates that the Kiowa may be descendants of the Plains Jumano. Another Tiwa speaking Pueblo tribe is still close to the old Kiowa land. The Taos Indians live in the Taos Pueblo in northern New Mexico. You can find this on a map. Just look in north eastern New Mexico for the city of Taos.